A block of the periodic table of elements is a set of adjacent groups. The term appears to have been first used by Charles Janet. The respective highest-energy electrons in each element in a block belong to the same atomic orbital type. Each block is named after its characteristic orbital; thus, the blocks are:
The block names (s, p, d, f and g) are derived from the spectroscopic notation for the associated atomic orbitals: sharp, principal, diffuse and fundamental, and then g which follows f in the alphabet.
The following is the order for filling the "subshell" orbitals, according to the Aufbau principle, which also gives the linear order of the "blocks" (as atomic number increases) in the periodic table:
For discussion of the nature of why the energies of the blocks naturally appear in this order in complex atoms, see atomic orbital and electron configuration.
The "periodic" nature of the filling of orbitals, as well as emergence of the s, p, d and f "blocks" is more obvious, if this order of filling is given in matrix form, with increasing principal quantum numbers starting the new rows ("periods") in the matrix. Then, each subshell (composed of the first two quantum numbers) is repeated as many times as required for each pair of electrons it may contain. The result is a compressed periodic table, with each entry representing two successive elements:
The chemical elements can be broadly divided into metals, metalloids and nonmetals according to their shared physical and chemical properties. All metals have a shiny appearance (at least when freshly polished); are good conductors of heat and electricity; form alloys with other metals; and have at least one basic oxide. Metalloids are metallic-looking brittle solids that are either semiconductors or exist in semiconducting forms, and have amphoteric or weakly acidic oxides. Typical nonmetals have a dull, coloured or colourless appearance; are brittle when solid; are poor conductors of heat and electricity; and have acidic oxides. Most or some elements in each category share a range of other properties; a few elements have properties that are either anomalous given their category, or otherwise extraordinary.
Shared properties
Metals
Metals appear lustrous (beneath any patina); form mixtures (alloys) when combined with other metals; tend to lose or share electrons when they react with other substances; and each forms at least one predominately basic oxide.
Configurations of elements 103 and 104 are uncertain; those for elements 105 and above are not available. Predictions from reliable sources have been used for these elements.
Grayed out electron numbers indicate subshells that are filled to their maximum.
The bracketed noble gas symbols on the left represent the inner configurations that are the same in each period. Written out these are:
Note the non-linear shell ordering, which comes about due to the different energies of smaller and larger shells.
The two layout forms originate from two graphic forms of presentation of the same periodic table. Historically, when the f-block was identified it was drawn below the existing table, with markings for its in-table location (this page uses dots or asterisks). Also, a common presentation is to put all 15 lanthanide and actinide columns below, while the f-block only has 14 columns. The fifteenth (rightmost) lanthanide and actinide are d-block elements, belonging to group 3, with scandium and yttrium.
Although precursors to this table exist, its invention is generally credited to RussianchemistDmitri Mendeleev in 1869. Mendeleev intended the table to illustrate recurring ("periodic") trends in the properties of the elements. The layout of the table has been refined and extended over time, as new elements have been discovered, and new theoretical models have been developed to explain chemical behavior.
Prior to working on The Elder Scrolls series, Bethesda had worked predominantly with sports and action games. In the six years from its founding to Arena's 1994 release, Bethesda had released ten games, six of them sports games, with such titles as Hockey League Simulator, NCAA Basketball: Road to the Final Four ('91/'92 Edition), and Wayne Gretzky Hockey, and the remaining four adaptations from other media, primarily the Terminator series. Bethesda's
course changed abruptly when it began its first action role-playing venture. Designer Ted Peterson recalls: "I remember talking to the guys at Sir-Tech who were doing Wizardry VII: Crusaders of the Dark Savant at the time, and them literally laughing at us for thinking we could do it." Ted Peterson worked alongside Vijay Lakshman as one of the initial designers of what was then simply Arena, a "medieval-style gladiator game."
In martial arts, blocking is the act of stopping or deflecting an opponent's attack for the purpose of preventing injurious contact with the body. A block usually consists of placing a limb across the line of the attack.
Examples in specific arts
Styles and types of blocking, as well as terminology, vary widely among the various martial arts. In Japanese martial arts such as Karate, these techniques are referred to as uke waza. Examples include age uke (rising block) and shuto uke (knife hand guarding block). In Korean martial arts such as Taekwondo, these techniques are referred to as makgi, with some examples being chukyeo makgi (rising block) and sonkal daebi makgi (knifehand guarding block). Some martial arts, such as Capoeira, reject blocking techniques completely as they consider them too inefficient. In Capoeira, they use evasion instead of blocking.
Types of blocks
Inside blocks
An inside block deflects a strike away from the defender and away from the attacker. For example, against a straight punch to the face, an inside forearm block would aim to meet the inside of the forearm of the attacker, pushing the punch outward, leaving the opponents facing each other which also helps in counterattack.
Block is an Australian term for a small agricultural landholding. Block settlement has been used by Governments to encourage decentralization and during financial depressions to give families of unemployed workers an opportunity (frequently illusory) to become primary producers. It may also refer to a lifestyle choice or "hobby farm" for those with an independent source of income.
In parts of Australia, parcels of land of around 6 to 20 acres (2 to 8ha) were allocated by Government to working-class men at nominal rent during the depression of the 1890s with the object of giving them work and, potentially, a source of income. Some eventually prospered, but those on marginal land were doomed to failure. Proponents of the "block system" included George Witherage Cotton. Holders of such allotments were referred to as "blockers" or "blockies".
Writing Electron Configurations Using Only the Periodic Table
A step-by-step description of how to write the electron configuration for elements using just the Periodic Table.
In order to write the electron configurations using the Periodic Table we first need to know the number of electrons for the each atom. When we write the configuration we'll put these electrons in orbitals around the nucleus of the atom.
Electron configuration notation provides an easy way for scientists to write and communicate how electrons are arranged around the nucleus of an atom. This makes it easier to understand and predict how atoms will interact to form chemical bonds.
You can also use just the Periodic Table to help write the condensed notation elements instead of the Periodic Table. See https://youtu.be/rmu3kA6VS8c
Get more chemistry help at http://www....
published: 13 Nov 2013
Electron Configuration - Basic introduction
This chemistry video tutorial provides a basic introduction into electron configuration. It contains plenty of practice problems including the electron configuration of transition metal ions.
Quantum Numbers - Free Formula Sheet: https://bit.ly/3XTLoVY
___________________________
Electron Configuration of Ions:
https://www.youtube.com/watch?v=nlZa8lN_-Ds
Noble Gas Notation:
https://www.youtube.com/watch?v=6MAKMnZdfbs
Electron Configuration Exceptions:
https://www.youtube.com/watch?v=Ur2PuzJ7KWs
How To Identify The Element:
https://www.youtube.com/watch?v=4qwJIJUaIeQ
Intro to Quantum Numbers:
https://www.youtube.com/watch?v=eRIN9CPDrpo
___________________...
published: 26 Sep 2017
How to Write the Electron Configuration for an Element in Each Block
I'll go over how to write the electron configuration both the full electron configuration and condensed/abbreviated noble gas electron configuration. Plus I'll include an example from each block, s block, p block, d block, and the f block! This should help you get ready on your next quiz or test on electron configuration.
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🎓 CHECKOUT MY COMPLETE CHEMISTRY GUIDES:
📕 Thermochemistry Guide
https://melissa.help/thermonotes
📗 Acids and Bases Guide
https://melissa.help/acidbase1notes
📘 Naming Compounds and Acids ...
published: 02 Oct 2018
A Level Chemistry Revision "Electron Configuration and the Periodic Table"
You can find all my A Level Chemistry videos fully indexed at https://www.freesciencelessons.co.uk/a-level-revision-videos/a-level-chemistry/
In this video, we look at the different blocks in the periodic table and how these relate to electron sub shells. We then look at how to use this to check that an electron configuration is correct.
This video is aimed at the UK A Level Chemistry specifications. Students studying International A Level Chemistry will need to check their specification.
published: 11 Apr 2020
The Periodic Table: Atomic Radius, Ionization Energy, and Electronegativity
Why is the periodic table arranged the way it is? There are specific reasons, you know. Because of the way we organize the elements, there are special patterns that emerge. And you know how Professor Dave feels about patterns. He likes them.
Watch the whole General Chemistry playlist: http://bit.ly/ProfDaveGenChem
Study for the AP Chemistry exam with me: https://bit.ly/ProfDaveAPChem
Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem
Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem
Biology Tutorials: http://bit.ly/ProfDaveBio
Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1
Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2
Mathematics Tutorials: http://bit.ly/ProfDaveMaths
EMAIL► [email protected]
PATREON► http://patreon.com/ProfessorDaveExp...
published: 03 Sep 2015
Electronic Configurations: Periodic Table Method
Uses the layout of the periodic table to do electronic configurations for atoms.
published: 25 Sep 2011
Quantum Numbers, Atomic Orbitals, and Electron Configurations
Orbitals! Oh no. They're so weird. Don't worry, nobody understands these in first-year chemistry. You just pretend to, and then in second-year you learn them a little better, the following year a little better, and once you have a PhD you will know what they are. But let Professor Dave give you a head start!
Watch the whole General Chemistry playlist: http://bit.ly/ProfDaveGenChem
Study for the AP Chemistry exam with me: https://bit.ly/ProfDaveAPChem
Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem
Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem
Biology Tutorials: http://bit.ly/ProfDaveBio
Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1
Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2
Mathematics Tutorials: http://bit.ly/ProfDaveMaths
EMAIL► Professo...
published: 31 Aug 2015
Valence Electrons and the Periodic Table
This chemistry video tutorial provides a basic introduction into valence electrons and the periodic table. It explains how to determine the number of valence electrons and core electrons in an element by drawing the bohr model of an atom, by writing the electron configuration of the element and by using the periodic table.
Speed of Light, Frequency, Wavelength:
https://www.youtube.com/watch?v=LgYMxH1LCdo
Photon Energy:
https://www.youtube.com/watch?v=PYNSopwd1l4
The Photoelectric Effect:
https://www.youtube.com/watch?v=-LECEvusk8E
De Broglie Wavelength:
https://www.youtube.com/watch?v=cYyFPFU6s_A
The Bohr Model of Hydrogen:
https://www.yo...
published: 27 Sep 2017
Master 10 Most Important Properties In P-Block Elements | Group 15 & 16 Elements | Venkatesh sir
Click on this link for Periodic Table class notes PDF https://vdnt.in/EZyY3
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Welcome to another insightful session with Venkatesh Sir! In this video, we delve into...
published: 17 Feb 2024
Electron Configuration of First 20 Elements | Properties of Matter | Chemistry | FuseSchool
Electron Configuration of First 20 Elements | Properties of Matter | Chemistry | FuseSchool
This lesson looks at the electronic configurations of elements in the periodic tables.
Electrons are arranged in energy levels or shells around the nucleus of an atom. As we increase the atomic number and progress through the first twenty elements, the electronic structure builds up, one electron at a time.
In the Periodic Table, when we get to Helium the outer shell of electrons is full. On the Periodic Table, we have reached the end of the first row or period.
Potassium has an outer shell with only one electron. On the Periodic Table, Potassium is on the far left, at the start of a new row. Calcium is next on this row, followed by Scandium, Titanium and so forth.
Calcium has 2 electrons in i...
A step-by-step description of how to write the electron configuration for elements using just the Periodic Table.
In order to write the electron configurations...
A step-by-step description of how to write the electron configuration for elements using just the Periodic Table.
In order to write the electron configurations using the Periodic Table we first need to know the number of electrons for the each atom. When we write the configuration we'll put these electrons in orbitals around the nucleus of the atom.
Electron configuration notation provides an easy way for scientists to write and communicate how electrons are arranged around the nucleus of an atom. This makes it easier to understand and predict how atoms will interact to form chemical bonds.
You can also use just the Periodic Table to help write the condensed notation elements instead of the Periodic Table. See https://youtu.be/rmu3kA6VS8c
Get more chemistry help at http://www.breslyn.org
A step-by-step description of how to write the electron configuration for elements using just the Periodic Table.
In order to write the electron configurations using the Periodic Table we first need to know the number of electrons for the each atom. When we write the configuration we'll put these electrons in orbitals around the nucleus of the atom.
Electron configuration notation provides an easy way for scientists to write and communicate how electrons are arranged around the nucleus of an atom. This makes it easier to understand and predict how atoms will interact to form chemical bonds.
You can also use just the Periodic Table to help write the condensed notation elements instead of the Periodic Table. See https://youtu.be/rmu3kA6VS8c
Get more chemistry help at http://www.breslyn.org
This chemistry video tutorial provides a basic introduction into electron configuration. It contains plenty of practice problems including the electron configu...
This chemistry video tutorial provides a basic introduction into electron configuration. It contains plenty of practice problems including the electron configuration of transition metal ions.
Quantum Numbers - Free Formula Sheet: https://bit.ly/3XTLoVY
___________________________
Electron Configuration of Ions:
https://www.youtube.com/watch?v=nlZa8lN_-Ds
Noble Gas Notation:
https://www.youtube.com/watch?v=6MAKMnZdfbs
Electron Configuration Exceptions:
https://www.youtube.com/watch?v=Ur2PuzJ7KWs
How To Identify The Element:
https://www.youtube.com/watch?v=4qwJIJUaIeQ
Intro to Quantum Numbers:
https://www.youtube.com/watch?v=eRIN9CPDrpo
__________________________________
Orbitals & Atomic Energy Levels:
https://www.youtube.com/watch?v=4sLXUr2HWIs
Maximum Number of Electrons:
https://www.youtube.com/watch?v=UNE-7AuiMGs
Paramagnetic & Diamagnetic Elements:
https://www.youtube.com/watch?v=SO983iq9GaI
Aufbau's Principle & Hund's Rule:
https://www.youtube.com/watch?v=C6afrc1QS6Y
Valence Electrons & Periodic Table:
https://www.youtube.com/watch?v=FPk2ziB9iX0
_____________________________________
Effective Nuclear Charge:
https://www.youtube.com/watch?v=JDsMR1bHGO4
Quantum Numbers - Mega Review:
https://www.youtube.com/watch?v=lPptuKlCM6k
Quantum Numbers - Practice Test:
https://www.youtube.com/watch?v=E-nOH18dF-c
Lewis Structures Super Review:
https://www.youtube.com/watch?v=PeY_sihSh8E
Hybridization of Atomic Orbitals:
https://www.youtube.com/watch?v=pdJeQUd2g_4
Molecular Orbital Theory:
https://www.youtube.com/watch?v=6tB6E6R_XpQ
______________________________________
Final Exams and Video Playlists:
https://www.video-tutor.net/
This chemistry video tutorial provides a basic introduction into electron configuration. It contains plenty of practice problems including the electron configuration of transition metal ions.
Quantum Numbers - Free Formula Sheet: https://bit.ly/3XTLoVY
___________________________
Electron Configuration of Ions:
https://www.youtube.com/watch?v=nlZa8lN_-Ds
Noble Gas Notation:
https://www.youtube.com/watch?v=6MAKMnZdfbs
Electron Configuration Exceptions:
https://www.youtube.com/watch?v=Ur2PuzJ7KWs
How To Identify The Element:
https://www.youtube.com/watch?v=4qwJIJUaIeQ
Intro to Quantum Numbers:
https://www.youtube.com/watch?v=eRIN9CPDrpo
__________________________________
Orbitals & Atomic Energy Levels:
https://www.youtube.com/watch?v=4sLXUr2HWIs
Maximum Number of Electrons:
https://www.youtube.com/watch?v=UNE-7AuiMGs
Paramagnetic & Diamagnetic Elements:
https://www.youtube.com/watch?v=SO983iq9GaI
Aufbau's Principle & Hund's Rule:
https://www.youtube.com/watch?v=C6afrc1QS6Y
Valence Electrons & Periodic Table:
https://www.youtube.com/watch?v=FPk2ziB9iX0
_____________________________________
Effective Nuclear Charge:
https://www.youtube.com/watch?v=JDsMR1bHGO4
Quantum Numbers - Mega Review:
https://www.youtube.com/watch?v=lPptuKlCM6k
Quantum Numbers - Practice Test:
https://www.youtube.com/watch?v=E-nOH18dF-c
Lewis Structures Super Review:
https://www.youtube.com/watch?v=PeY_sihSh8E
Hybridization of Atomic Orbitals:
https://www.youtube.com/watch?v=pdJeQUd2g_4
Molecular Orbital Theory:
https://www.youtube.com/watch?v=6tB6E6R_XpQ
______________________________________
Final Exams and Video Playlists:
https://www.video-tutor.net/
I'll go over how to write the electron configuration both the full electron configuration and condensed/abbreviated noble gas electron configuration. Plus I'll ...
I'll go over how to write the electron configuration both the full electron configuration and condensed/abbreviated noble gas electron configuration. Plus I'll include an example from each block, s block, p block, d block, and the f block! This should help you get ready on your next quiz or test on electron configuration.
📗 FREE CHEMISTRY SURVIVAL GUIDE
https://melissa.help/freechemguide
📘 FREE ORGANIC CHEMISTRY SURVIVAL GUIDE
https://melissa.help/freeochemguide
💯 HERE'S HOW TO PASS ORGANIC CHEMISTRY 🎉
https://chemmunity.info/youtube
👉 MORE CHEMISTRY RESOURCES I CREATED 👈
https://melissamaribel.com/
🎓 CHECKOUT MY COMPLETE CHEMISTRY GUIDES:
📕 Thermochemistry Guide
https://melissa.help/thermonotes
📗 Acids and Bases Guide
https://melissa.help/acidbase1notes
📘 Naming Compounds and Acids Guide
https://melissa.help/namingnotes
📙 Dimensional Analysis, Significant Figures, and Density Guide
https://melissa.help/sigfignotes
📕 Gas Laws Guide
https://melissa.help/gaslawsnotes
📗 Stoichiometry Guide
https://melissa.help/stoichnotes
📘 Redox Reactions Guide
https://melissa.help/redoxnotes
📙 Molarity Guide
https://melissa.help/molaritynotes
📕 Limiting Reactants Guide
https://melissa.help/limreactnotes
📗 Lewis Structures Guide
https://melissa.help/lewisnotes
📘 Kinetics Guide
https://melissa.help/kineticsnotes
📙 Titrations Guide
https://melissa.help/titrations
📕 Matter, Atomic Structure, Empirical and Molecular Formulas Guide
https://melissa.help/matterguide
🙌 This was my go-to homework help when I was in school. Chegg Study is one of my favorites.
https://melissa.help/cheggstudy
📚 I made the mistake of buying all of my textbooks, I wish I had the option of renting them. Thankfully you do, with Chegg Textbook Rentals.
https://melissa.help/cheggbooks
💁♀️ HI I'M MELISSA MARIBEL
I help students pass Chemistry and Organic Chemistry. I used to struggle with this subject, so when I finally graduated with a bachelor's degree in Chemistry, I became a tutor so that you wouldn't have to struggle like I did. I know that with the right help, YOU CAN LEARN ANYTHING!
DISCLAIMER: Some links in the description are affiliate links, which means that if you buy from those links, I’ll receive a small commission. This helps support the channel and allows me to continue making videos like this. Thanks for the support!
I'll go over how to write the electron configuration both the full electron configuration and condensed/abbreviated noble gas electron configuration. Plus I'll include an example from each block, s block, p block, d block, and the f block! This should help you get ready on your next quiz or test on electron configuration.
📗 FREE CHEMISTRY SURVIVAL GUIDE
https://melissa.help/freechemguide
📘 FREE ORGANIC CHEMISTRY SURVIVAL GUIDE
https://melissa.help/freeochemguide
💯 HERE'S HOW TO PASS ORGANIC CHEMISTRY 🎉
https://chemmunity.info/youtube
👉 MORE CHEMISTRY RESOURCES I CREATED 👈
https://melissamaribel.com/
🎓 CHECKOUT MY COMPLETE CHEMISTRY GUIDES:
📕 Thermochemistry Guide
https://melissa.help/thermonotes
📗 Acids and Bases Guide
https://melissa.help/acidbase1notes
📘 Naming Compounds and Acids Guide
https://melissa.help/namingnotes
📙 Dimensional Analysis, Significant Figures, and Density Guide
https://melissa.help/sigfignotes
📕 Gas Laws Guide
https://melissa.help/gaslawsnotes
📗 Stoichiometry Guide
https://melissa.help/stoichnotes
📘 Redox Reactions Guide
https://melissa.help/redoxnotes
📙 Molarity Guide
https://melissa.help/molaritynotes
📕 Limiting Reactants Guide
https://melissa.help/limreactnotes
📗 Lewis Structures Guide
https://melissa.help/lewisnotes
📘 Kinetics Guide
https://melissa.help/kineticsnotes
📙 Titrations Guide
https://melissa.help/titrations
📕 Matter, Atomic Structure, Empirical and Molecular Formulas Guide
https://melissa.help/matterguide
🙌 This was my go-to homework help when I was in school. Chegg Study is one of my favorites.
https://melissa.help/cheggstudy
📚 I made the mistake of buying all of my textbooks, I wish I had the option of renting them. Thankfully you do, with Chegg Textbook Rentals.
https://melissa.help/cheggbooks
💁♀️ HI I'M MELISSA MARIBEL
I help students pass Chemistry and Organic Chemistry. I used to struggle with this subject, so when I finally graduated with a bachelor's degree in Chemistry, I became a tutor so that you wouldn't have to struggle like I did. I know that with the right help, YOU CAN LEARN ANYTHING!
DISCLAIMER: Some links in the description are affiliate links, which means that if you buy from those links, I’ll receive a small commission. This helps support the channel and allows me to continue making videos like this. Thanks for the support!
You can find all my A Level Chemistry videos fully indexed at https://www.freesciencelessons.co.uk/a-level-revision-videos/a-level-chemistry/
In this video, we...
You can find all my A Level Chemistry videos fully indexed at https://www.freesciencelessons.co.uk/a-level-revision-videos/a-level-chemistry/
In this video, we look at the different blocks in the periodic table and how these relate to electron sub shells. We then look at how to use this to check that an electron configuration is correct.
This video is aimed at the UK A Level Chemistry specifications. Students studying International A Level Chemistry will need to check their specification.
You can find all my A Level Chemistry videos fully indexed at https://www.freesciencelessons.co.uk/a-level-revision-videos/a-level-chemistry/
In this video, we look at the different blocks in the periodic table and how these relate to electron sub shells. We then look at how to use this to check that an electron configuration is correct.
This video is aimed at the UK A Level Chemistry specifications. Students studying International A Level Chemistry will need to check their specification.
Why is the periodic table arranged the way it is? There are specific reasons, you know. Because of the way we organize the elements, there are special patterns ...
Why is the periodic table arranged the way it is? There are specific reasons, you know. Because of the way we organize the elements, there are special patterns that emerge. And you know how Professor Dave feels about patterns. He likes them.
Watch the whole General Chemistry playlist: http://bit.ly/ProfDaveGenChem
Study for the AP Chemistry exam with me: https://bit.ly/ProfDaveAPChem
Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem
Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem
Biology Tutorials: http://bit.ly/ProfDaveBio
Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1
Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2
Mathematics Tutorials: http://bit.ly/ProfDaveMaths
EMAIL► [email protected]
PATREON► http://patreon.com/ProfessorDaveExplains
Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience!
Amazon: https://amzn.to/2HtNpVH
Bookshop: https://bit.ly/39cKADM
Barnes and Noble: https://bit.ly/3pUjmrn
Book Depository: http://bit.ly/3aOVDlT
Why is the periodic table arranged the way it is? There are specific reasons, you know. Because of the way we organize the elements, there are special patterns that emerge. And you know how Professor Dave feels about patterns. He likes them.
Watch the whole General Chemistry playlist: http://bit.ly/ProfDaveGenChem
Study for the AP Chemistry exam with me: https://bit.ly/ProfDaveAPChem
Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem
Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem
Biology Tutorials: http://bit.ly/ProfDaveBio
Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1
Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2
Mathematics Tutorials: http://bit.ly/ProfDaveMaths
EMAIL► [email protected]
PATREON► http://patreon.com/ProfessorDaveExplains
Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience!
Amazon: https://amzn.to/2HtNpVH
Bookshop: https://bit.ly/39cKADM
Barnes and Noble: https://bit.ly/3pUjmrn
Book Depository: http://bit.ly/3aOVDlT
Orbitals! Oh no. They're so weird. Don't worry, nobody understands these in first-year chemistry. You just pretend to, and then in second-year you learn them a ...
Orbitals! Oh no. They're so weird. Don't worry, nobody understands these in first-year chemistry. You just pretend to, and then in second-year you learn them a little better, the following year a little better, and once you have a PhD you will know what they are. But let Professor Dave give you a head start!
Watch the whole General Chemistry playlist: http://bit.ly/ProfDaveGenChem
Study for the AP Chemistry exam with me: https://bit.ly/ProfDaveAPChem
Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem
Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem
Biology Tutorials: http://bit.ly/ProfDaveBio
Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1
Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2
Mathematics Tutorials: http://bit.ly/ProfDaveMaths
EMAIL► [email protected]
PATREON► http://patreon.com/ProfessorDaveExplains
Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience!
Amazon: https://amzn.to/2HtNpVH
Bookshop: https://bit.ly/39cKADM
Barnes and Noble: https://bit.ly/3pUjmrn
Book Depository: http://bit.ly/3aOVDlT
Orbitals! Oh no. They're so weird. Don't worry, nobody understands these in first-year chemistry. You just pretend to, and then in second-year you learn them a little better, the following year a little better, and once you have a PhD you will know what they are. But let Professor Dave give you a head start!
Watch the whole General Chemistry playlist: http://bit.ly/ProfDaveGenChem
Study for the AP Chemistry exam with me: https://bit.ly/ProfDaveAPChem
Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem
Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem
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This chemistry video tutorial provides a basic introduction into valence electrons and the periodic table. It explains how to determine the number of valence e...
This chemistry video tutorial provides a basic introduction into valence electrons and the periodic table. It explains how to determine the number of valence electrons and core electrons in an element by drawing the bohr model of an atom, by writing the electron configuration of the element and by using the periodic table.
Speed of Light, Frequency, Wavelength:
https://www.youtube.com/watch?v=LgYMxH1LCdo
Photon Energy:
https://www.youtube.com/watch?v=PYNSopwd1l4
The Photoelectric Effect:
https://www.youtube.com/watch?v=-LECEvusk8E
De Broglie Wavelength:
https://www.youtube.com/watch?v=cYyFPFU6s_A
The Bohr Model of Hydrogen:
https://www.youtube.com/watch?v=mXxsT1ut35Q
Heisenberg's Uncertainty Principle:
https://www.youtube.com/watch?v=BNYz5EKXVeI
________________________________
Intro to Quantum Numbers:
https://www.youtube.com/watch?v=eRIN9CPDrpo
Orbitals & Atomic Energy Levels:
https://www.youtube.com/watch?v=4sLXUr2HWIs
Maximum Number of Electrons:
https://www.youtube.com/watch?v=UNE-7AuiMGs
Intro to Electron Configuration:
https://www.youtube.com/watch?v=NIwcDnFjj98
Electron Configuration Exceptions:
https://www.youtube.com/watch?v=Ur2PuzJ7KWs
Noble Gas Notation:
https://www.youtube.com/watch?v=6MAKMnZdfbs
Electron Configuration of Ions:
https://www.youtube.com/watch?v=nlZa8lN_-Ds
_______________________________
Orbital Diagrams:
https://www.youtube.com/watch?v=6dRdMy9tgzE
Paired & Unpaired Electrons:
https://www.youtube.com/watch?v=xwWJf48yfNs
Aufbau's Principle & Hund's Rule:
https://www.youtube.com/watch?v=C6afrc1QS6Y
Paramagnetic & Diamagnetic Elements:
https://www.youtube.com/watch?v=SO983iq9GaI
Valence Electrons & Periodic Table:
https://www.youtube.com/watch?v=FPk2ziB9iX0
Effective Nuclear Charge:
https://www.youtube.com/watch?v=JDsMR1bHGO4
_________________________________
Slater's Rule:
https://www.youtube.com/watch?v=TaYUOiEe6OA
How To Identify The Element:
https://www.youtube.com/watch?v=4qwJIJUaIeQ
Quantum Numbers - Mega Review:
https://www.youtube.com/watch?v=lPptuKlCM6k
Quantum Numbers - Practice Test:
https://www.youtube.com/watch?v=E-nOH18dF-c
Final Exams and Video Playlists:
https://www.video-tutor.net/
Full-Length Videos and Worksheets:
https://www.patreon.com/MathScienceTutor/collections
Protons & Neutrons - Formula Sheet:
https://bit.ly/3X0AOMe
This chemistry video tutorial provides a basic introduction into valence electrons and the periodic table. It explains how to determine the number of valence electrons and core electrons in an element by drawing the bohr model of an atom, by writing the electron configuration of the element and by using the periodic table.
Speed of Light, Frequency, Wavelength:
https://www.youtube.com/watch?v=LgYMxH1LCdo
Photon Energy:
https://www.youtube.com/watch?v=PYNSopwd1l4
The Photoelectric Effect:
https://www.youtube.com/watch?v=-LECEvusk8E
De Broglie Wavelength:
https://www.youtube.com/watch?v=cYyFPFU6s_A
The Bohr Model of Hydrogen:
https://www.youtube.com/watch?v=mXxsT1ut35Q
Heisenberg's Uncertainty Principle:
https://www.youtube.com/watch?v=BNYz5EKXVeI
________________________________
Intro to Quantum Numbers:
https://www.youtube.com/watch?v=eRIN9CPDrpo
Orbitals & Atomic Energy Levels:
https://www.youtube.com/watch?v=4sLXUr2HWIs
Maximum Number of Electrons:
https://www.youtube.com/watch?v=UNE-7AuiMGs
Intro to Electron Configuration:
https://www.youtube.com/watch?v=NIwcDnFjj98
Electron Configuration Exceptions:
https://www.youtube.com/watch?v=Ur2PuzJ7KWs
Noble Gas Notation:
https://www.youtube.com/watch?v=6MAKMnZdfbs
Electron Configuration of Ions:
https://www.youtube.com/watch?v=nlZa8lN_-Ds
_______________________________
Orbital Diagrams:
https://www.youtube.com/watch?v=6dRdMy9tgzE
Paired & Unpaired Electrons:
https://www.youtube.com/watch?v=xwWJf48yfNs
Aufbau's Principle & Hund's Rule:
https://www.youtube.com/watch?v=C6afrc1QS6Y
Paramagnetic & Diamagnetic Elements:
https://www.youtube.com/watch?v=SO983iq9GaI
Valence Electrons & Periodic Table:
https://www.youtube.com/watch?v=FPk2ziB9iX0
Effective Nuclear Charge:
https://www.youtube.com/watch?v=JDsMR1bHGO4
_________________________________
Slater's Rule:
https://www.youtube.com/watch?v=TaYUOiEe6OA
How To Identify The Element:
https://www.youtube.com/watch?v=4qwJIJUaIeQ
Quantum Numbers - Mega Review:
https://www.youtube.com/watch?v=lPptuKlCM6k
Quantum Numbers - Practice Test:
https://www.youtube.com/watch?v=E-nOH18dF-c
Final Exams and Video Playlists:
https://www.video-tutor.net/
Full-Length Videos and Worksheets:
https://www.patreon.com/MathScienceTutor/collections
Protons & Neutrons - Formula Sheet:
https://bit.ly/3X0AOMe
Click on this link for Periodic Table class notes PDF https://vdnt.in/EZyY3
Click on this link to register for IVSAT https://vdnt.in/EZ62L
Click on this link f...
Click on this link for Periodic Table class notes PDF https://vdnt.in/EZyY3
Click on this link to register for IVSAT https://vdnt.in/EZ62L
Click on this link for Chemical Kinetics class notes PDF https://vdnt.in/EYTRh
Click on this link for Atomic Structure class notes PDF https://vdnt.in/EYDQ8
Click on this link for Electrochemistry class notes PDF https://vdnt.in/EYswW
Click on this link for Stoichiometry class notes PDF https://vdnt.in/EYeDU
Click on this link for Redox Reaction class notes PDF https://vdnt.in/EYeC3
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Welcome to another insightful session with Venkatesh Sir! In this video, we delve into the fascinating world of P-Block Elements, focusing specifically on Group 15 & 16. Venkatesh Sir, with his expertise and engaging teaching style, breaks down the complexities of these elements and highlights the 10 most crucial properties you need to master.
From electronegativity to atomic radius, from chemical reactivity to unique bonding patterns, this video covers it all. Whether you're a student striving for academic excellence or an enthusiast eager to deepen your understanding of chemistry, this session is tailored for you.
Join us as Venkatesh Sir simplifies complex concepts, provides valuable insights, and equips you with the knowledge to ace your exams or simply satisfy your curiosity about the elemental world.
Don't miss out on this opportunity to enhance your understanding of P-Block Elements. Hit play now and embark on an educational journey with Venkatesh Sir as your guide!
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#group16elements #neetpreparation
Click on this link for Periodic Table class notes PDF https://vdnt.in/EZyY3
Click on this link to register for IVSAT https://vdnt.in/EZ62L
Click on this link for Chemical Kinetics class notes PDF https://vdnt.in/EYTRh
Click on this link for Atomic Structure class notes PDF https://vdnt.in/EYDQ8
Click on this link for Electrochemistry class notes PDF https://vdnt.in/EYswW
Click on this link for Stoichiometry class notes PDF https://vdnt.in/EYeDU
Click on this link for Redox Reaction class notes PDF https://vdnt.in/EYeC3
Click on this link for Arjuna BiPC Crash Course - https://vdnt.in/ESLLh
Coupon Code: VMCC Avail Arjuna Crash Course @Rs.1499
Join Telegram Channel now - https://t.me/vedantu_teluguNEET
Welcome to another insightful session with Venkatesh Sir! In this video, we delve into the fascinating world of P-Block Elements, focusing specifically on Group 15 & 16. Venkatesh Sir, with his expertise and engaging teaching style, breaks down the complexities of these elements and highlights the 10 most crucial properties you need to master.
From electronegativity to atomic radius, from chemical reactivity to unique bonding patterns, this video covers it all. Whether you're a student striving for academic excellence or an enthusiast eager to deepen your understanding of chemistry, this session is tailored for you.
Join us as Venkatesh Sir simplifies complex concepts, provides valuable insights, and equips you with the knowledge to ace your exams or simply satisfy your curiosity about the elemental world.
Don't miss out on this opportunity to enhance your understanding of P-Block Elements. Hit play now and embark on an educational journey with Venkatesh Sir as your guide!
#AtomicStructure #InterChemistry #IPE2024 #Class11 #Chemistry #ExamPreparation #VenkateshSir #Score8Marks
#NEETChemistry #OrganicChemistry #Hydrocarbons #GOCClass11 #NEET2024 #NEET2025 #ChemistryTips #MedicalAspirants #ExamPrep #StudySmart #LearnWithUs #ScienceStudents #NEETPreparation #EducationalVideo #NEET2024Prep #NEET2025Prep #ChemistryClass #MasterChemistry #AceNEET #ExamSuccess #GOCExplained #ChemistryLovers #NEETJourney #CrackNEET #MedicalEntrance #ChemistryTutorial #GOCPart35 #NEETExam #NEETVideoTutorial #ChemistryEducation #NEET2024Exam #NEET2025Exam #apinter #tsinter #neetpreparation #neetcrashcourse #neetcoaching #interbiology #interchemistry #interphysics #ipe #apipe #tsipe #ipe #neetcrashcourse #neet2025 #ipe2024 #atomicstructure #structureofatoms #class11chemistry #class12chemistry #apinter1styearchemistry #apinter2ndyearchemistry #apinterchemistry #chemicalkineticsclass12 #kinetics #chemicalkinetics #periodictable #properties #chemistryperiodictable #chemistryneet #pblockelementschemistry #pblock #group15elements
#group16elements #neetpreparation
Electron Configuration of First 20 Elements | Properties of Matter | Chemistry | FuseSchool
This lesson looks at the electronic configurations of elements in t...
Electron Configuration of First 20 Elements | Properties of Matter | Chemistry | FuseSchool
This lesson looks at the electronic configurations of elements in the periodic tables.
Electrons are arranged in energy levels or shells around the nucleus of an atom. As we increase the atomic number and progress through the first twenty elements, the electronic structure builds up, one electron at a time.
In the Periodic Table, when we get to Helium the outer shell of electrons is full. On the Periodic Table, we have reached the end of the first row or period.
Potassium has an outer shell with only one electron. On the Periodic Table, Potassium is on the far left, at the start of a new row. Calcium is next on this row, followed by Scandium, Titanium and so forth.
Calcium has 2 electrons in its outer shell.
Scandium, it is in Group 3 on the Periodic Table and has 3 electrons in its outer shell.
Iron in Group 8 and Krypton in Group 18 both have a full outer shell with 8 Electrons. For the groups’ whose number is composed by two digits, for instance group 18, it is the second number - in this case 8 - which indicates the number of electrons in the outer shells of elements located in this group.
Each additional shell corresponds to a new row or period on the Periodic Table. For example, the most reactive metals have just one outer electron. They are the Group 1 Alkali Metals: Lithium, sodium, potassium, rubidium, caesium and francium.
The most reactive non-metals have seven electrons in their outer shell. These are the halogens in Group 18: Fluorine, chlorine, bromine, iodine and astatine, fluorine and chlorine being in the first twenty elements. Full outer electron shells are particularly stable, which helps explain why Group eighteen, the noble gases, are unreactive.
The electronic configuration helps explain trends amongst elements, such as their reactivity and also whether they are likely to form covalent or ionic bonds.
SUBSCRIBE to the FuseSchool YouTube channel for many more educational videos. Our teachers and animators come together to make fun & easy-to-understand videos in Chemistry, Biology, Physics, Maths & ICT.
VISIT us at www.fuseschool.org, where all of our videos are carefully organised into topics and specific orders, and to see what else we have on offer. Comment, like and share with other learners. You can both ask and answer questions, and teachers will get back to you.
These videos can be used in a flipped classroom model or as a revision aid.
Find all of our Chemistry videos here: https://www.youtube.com/playlist?list=PLW0gavSzhMlReKGMVfUt6YuNQsO0bqSMV
Find all of our Biology videos here: https://www.youtube.com/playlist?list=PLW0gavSzhMlQYSpKryVcEr3ERup5SxHl0
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Access a deeper Learning Experience in the FuseSchool platform and app: www.fuseschool.org
Follow us: http://www.youtube.com/fuseschool
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This is an Open Educational Resource. If you would like to use the video, please contact us: [email protected]
Electron Configuration of First 20 Elements | Properties of Matter | Chemistry | FuseSchool
This lesson looks at the electronic configurations of elements in the periodic tables.
Electrons are arranged in energy levels or shells around the nucleus of an atom. As we increase the atomic number and progress through the first twenty elements, the electronic structure builds up, one electron at a time.
In the Periodic Table, when we get to Helium the outer shell of electrons is full. On the Periodic Table, we have reached the end of the first row or period.
Potassium has an outer shell with only one electron. On the Periodic Table, Potassium is on the far left, at the start of a new row. Calcium is next on this row, followed by Scandium, Titanium and so forth.
Calcium has 2 electrons in its outer shell.
Scandium, it is in Group 3 on the Periodic Table and has 3 electrons in its outer shell.
Iron in Group 8 and Krypton in Group 18 both have a full outer shell with 8 Electrons. For the groups’ whose number is composed by two digits, for instance group 18, it is the second number - in this case 8 - which indicates the number of electrons in the outer shells of elements located in this group.
Each additional shell corresponds to a new row or period on the Periodic Table. For example, the most reactive metals have just one outer electron. They are the Group 1 Alkali Metals: Lithium, sodium, potassium, rubidium, caesium and francium.
The most reactive non-metals have seven electrons in their outer shell. These are the halogens in Group 18: Fluorine, chlorine, bromine, iodine and astatine, fluorine and chlorine being in the first twenty elements. Full outer electron shells are particularly stable, which helps explain why Group eighteen, the noble gases, are unreactive.
The electronic configuration helps explain trends amongst elements, such as their reactivity and also whether they are likely to form covalent or ionic bonds.
SUBSCRIBE to the FuseSchool YouTube channel for many more educational videos. Our teachers and animators come together to make fun & easy-to-understand videos in Chemistry, Biology, Physics, Maths & ICT.
VISIT us at www.fuseschool.org, where all of our videos are carefully organised into topics and specific orders, and to see what else we have on offer. Comment, like and share with other learners. You can both ask and answer questions, and teachers will get back to you.
These videos can be used in a flipped classroom model or as a revision aid.
Find all of our Chemistry videos here: https://www.youtube.com/playlist?list=PLW0gavSzhMlReKGMVfUt6YuNQsO0bqSMV
Find all of our Biology videos here: https://www.youtube.com/playlist?list=PLW0gavSzhMlQYSpKryVcEr3ERup5SxHl0
Find all of our Physics videos here: https://www.youtube.com/playlist?list=PLW0gavSzhMlTWm6Sr5uN2Uv5TXHiZUq8b
Find all of our Maths videos here: https://www.youtube.com/playlist?list=PLW0gavSzhMlTKBNbHH5u1SNnsrOaacKLu
Instagram: https://www.instagram.com/fuseschool/
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Access a deeper Learning Experience in the FuseSchool platform and app: www.fuseschool.org
Follow us: http://www.youtube.com/fuseschool
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This is an Open Educational Resource. If you would like to use the video, please contact us: [email protected]
A step-by-step description of how to write the electron configuration for elements using just the Periodic Table.
In order to write the electron configurations using the Periodic Table we first need to know the number of electrons for the each atom. When we write the configuration we'll put these electrons in orbitals around the nucleus of the atom.
Electron configuration notation provides an easy way for scientists to write and communicate how electrons are arranged around the nucleus of an atom. This makes it easier to understand and predict how atoms will interact to form chemical bonds.
You can also use just the Periodic Table to help write the condensed notation elements instead of the Periodic Table. See https://youtu.be/rmu3kA6VS8c
Get more chemistry help at http://www.breslyn.org
This chemistry video tutorial provides a basic introduction into electron configuration. It contains plenty of practice problems including the electron configuration of transition metal ions.
Quantum Numbers - Free Formula Sheet: https://bit.ly/3XTLoVY
___________________________
Electron Configuration of Ions:
https://www.youtube.com/watch?v=nlZa8lN_-Ds
Noble Gas Notation:
https://www.youtube.com/watch?v=6MAKMnZdfbs
Electron Configuration Exceptions:
https://www.youtube.com/watch?v=Ur2PuzJ7KWs
How To Identify The Element:
https://www.youtube.com/watch?v=4qwJIJUaIeQ
Intro to Quantum Numbers:
https://www.youtube.com/watch?v=eRIN9CPDrpo
__________________________________
Orbitals & Atomic Energy Levels:
https://www.youtube.com/watch?v=4sLXUr2HWIs
Maximum Number of Electrons:
https://www.youtube.com/watch?v=UNE-7AuiMGs
Paramagnetic & Diamagnetic Elements:
https://www.youtube.com/watch?v=SO983iq9GaI
Aufbau's Principle & Hund's Rule:
https://www.youtube.com/watch?v=C6afrc1QS6Y
Valence Electrons & Periodic Table:
https://www.youtube.com/watch?v=FPk2ziB9iX0
_____________________________________
Effective Nuclear Charge:
https://www.youtube.com/watch?v=JDsMR1bHGO4
Quantum Numbers - Mega Review:
https://www.youtube.com/watch?v=lPptuKlCM6k
Quantum Numbers - Practice Test:
https://www.youtube.com/watch?v=E-nOH18dF-c
Lewis Structures Super Review:
https://www.youtube.com/watch?v=PeY_sihSh8E
Hybridization of Atomic Orbitals:
https://www.youtube.com/watch?v=pdJeQUd2g_4
Molecular Orbital Theory:
https://www.youtube.com/watch?v=6tB6E6R_XpQ
______________________________________
Final Exams and Video Playlists:
https://www.video-tutor.net/
I'll go over how to write the electron configuration both the full electron configuration and condensed/abbreviated noble gas electron configuration. Plus I'll include an example from each block, s block, p block, d block, and the f block! This should help you get ready on your next quiz or test on electron configuration.
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I help students pass Chemistry and Organic Chemistry. I used to struggle with this subject, so when I finally graduated with a bachelor's degree in Chemistry, I became a tutor so that you wouldn't have to struggle like I did. I know that with the right help, YOU CAN LEARN ANYTHING!
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You can find all my A Level Chemistry videos fully indexed at https://www.freesciencelessons.co.uk/a-level-revision-videos/a-level-chemistry/
In this video, we look at the different blocks in the periodic table and how these relate to electron sub shells. We then look at how to use this to check that an electron configuration is correct.
This video is aimed at the UK A Level Chemistry specifications. Students studying International A Level Chemistry will need to check their specification.
Why is the periodic table arranged the way it is? There are specific reasons, you know. Because of the way we organize the elements, there are special patterns that emerge. And you know how Professor Dave feels about patterns. He likes them.
Watch the whole General Chemistry playlist: http://bit.ly/ProfDaveGenChem
Study for the AP Chemistry exam with me: https://bit.ly/ProfDaveAPChem
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EMAIL► [email protected]
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Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience!
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Bookshop: https://bit.ly/39cKADM
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Book Depository: http://bit.ly/3aOVDlT
Orbitals! Oh no. They're so weird. Don't worry, nobody understands these in first-year chemistry. You just pretend to, and then in second-year you learn them a little better, the following year a little better, and once you have a PhD you will know what they are. But let Professor Dave give you a head start!
Watch the whole General Chemistry playlist: http://bit.ly/ProfDaveGenChem
Study for the AP Chemistry exam with me: https://bit.ly/ProfDaveAPChem
Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem
Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem
Biology Tutorials: http://bit.ly/ProfDaveBio
Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1
Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2
Mathematics Tutorials: http://bit.ly/ProfDaveMaths
EMAIL► [email protected]
PATREON► http://patreon.com/ProfessorDaveExplains
Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience!
Amazon: https://amzn.to/2HtNpVH
Bookshop: https://bit.ly/39cKADM
Barnes and Noble: https://bit.ly/3pUjmrn
Book Depository: http://bit.ly/3aOVDlT
This chemistry video tutorial provides a basic introduction into valence electrons and the periodic table. It explains how to determine the number of valence electrons and core electrons in an element by drawing the bohr model of an atom, by writing the electron configuration of the element and by using the periodic table.
Speed of Light, Frequency, Wavelength:
https://www.youtube.com/watch?v=LgYMxH1LCdo
Photon Energy:
https://www.youtube.com/watch?v=PYNSopwd1l4
The Photoelectric Effect:
https://www.youtube.com/watch?v=-LECEvusk8E
De Broglie Wavelength:
https://www.youtube.com/watch?v=cYyFPFU6s_A
The Bohr Model of Hydrogen:
https://www.youtube.com/watch?v=mXxsT1ut35Q
Heisenberg's Uncertainty Principle:
https://www.youtube.com/watch?v=BNYz5EKXVeI
________________________________
Intro to Quantum Numbers:
https://www.youtube.com/watch?v=eRIN9CPDrpo
Orbitals & Atomic Energy Levels:
https://www.youtube.com/watch?v=4sLXUr2HWIs
Maximum Number of Electrons:
https://www.youtube.com/watch?v=UNE-7AuiMGs
Intro to Electron Configuration:
https://www.youtube.com/watch?v=NIwcDnFjj98
Electron Configuration Exceptions:
https://www.youtube.com/watch?v=Ur2PuzJ7KWs
Noble Gas Notation:
https://www.youtube.com/watch?v=6MAKMnZdfbs
Electron Configuration of Ions:
https://www.youtube.com/watch?v=nlZa8lN_-Ds
_______________________________
Orbital Diagrams:
https://www.youtube.com/watch?v=6dRdMy9tgzE
Paired & Unpaired Electrons:
https://www.youtube.com/watch?v=xwWJf48yfNs
Aufbau's Principle & Hund's Rule:
https://www.youtube.com/watch?v=C6afrc1QS6Y
Paramagnetic & Diamagnetic Elements:
https://www.youtube.com/watch?v=SO983iq9GaI
Valence Electrons & Periodic Table:
https://www.youtube.com/watch?v=FPk2ziB9iX0
Effective Nuclear Charge:
https://www.youtube.com/watch?v=JDsMR1bHGO4
_________________________________
Slater's Rule:
https://www.youtube.com/watch?v=TaYUOiEe6OA
How To Identify The Element:
https://www.youtube.com/watch?v=4qwJIJUaIeQ
Quantum Numbers - Mega Review:
https://www.youtube.com/watch?v=lPptuKlCM6k
Quantum Numbers - Practice Test:
https://www.youtube.com/watch?v=E-nOH18dF-c
Final Exams and Video Playlists:
https://www.video-tutor.net/
Full-Length Videos and Worksheets:
https://www.patreon.com/MathScienceTutor/collections
Protons & Neutrons - Formula Sheet:
https://bit.ly/3X0AOMe
Click on this link for Periodic Table class notes PDF https://vdnt.in/EZyY3
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Welcome to another insightful session with Venkatesh Sir! In this video, we delve into the fascinating world of P-Block Elements, focusing specifically on Group 15 & 16. Venkatesh Sir, with his expertise and engaging teaching style, breaks down the complexities of these elements and highlights the 10 most crucial properties you need to master.
From electronegativity to atomic radius, from chemical reactivity to unique bonding patterns, this video covers it all. Whether you're a student striving for academic excellence or an enthusiast eager to deepen your understanding of chemistry, this session is tailored for you.
Join us as Venkatesh Sir simplifies complex concepts, provides valuable insights, and equips you with the knowledge to ace your exams or simply satisfy your curiosity about the elemental world.
Don't miss out on this opportunity to enhance your understanding of P-Block Elements. Hit play now and embark on an educational journey with Venkatesh Sir as your guide!
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Electron Configuration of First 20 Elements | Properties of Matter | Chemistry | FuseSchool
This lesson looks at the electronic configurations of elements in the periodic tables.
Electrons are arranged in energy levels or shells around the nucleus of an atom. As we increase the atomic number and progress through the first twenty elements, the electronic structure builds up, one electron at a time.
In the Periodic Table, when we get to Helium the outer shell of electrons is full. On the Periodic Table, we have reached the end of the first row or period.
Potassium has an outer shell with only one electron. On the Periodic Table, Potassium is on the far left, at the start of a new row. Calcium is next on this row, followed by Scandium, Titanium and so forth.
Calcium has 2 electrons in its outer shell.
Scandium, it is in Group 3 on the Periodic Table and has 3 electrons in its outer shell.
Iron in Group 8 and Krypton in Group 18 both have a full outer shell with 8 Electrons. For the groups’ whose number is composed by two digits, for instance group 18, it is the second number - in this case 8 - which indicates the number of electrons in the outer shells of elements located in this group.
Each additional shell corresponds to a new row or period on the Periodic Table. For example, the most reactive metals have just one outer electron. They are the Group 1 Alkali Metals: Lithium, sodium, potassium, rubidium, caesium and francium.
The most reactive non-metals have seven electrons in their outer shell. These are the halogens in Group 18: Fluorine, chlorine, bromine, iodine and astatine, fluorine and chlorine being in the first twenty elements. Full outer electron shells are particularly stable, which helps explain why Group eighteen, the noble gases, are unreactive.
The electronic configuration helps explain trends amongst elements, such as their reactivity and also whether they are likely to form covalent or ionic bonds.
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A block of the periodic table of elements is a set of adjacent groups. The term appears to have been first used by Charles Janet. The respective highest-energy electrons in each element in a block belong to the same atomic orbital type. Each block is named after its characteristic orbital; thus, the blocks are:
The block names (s, p, d, f and g) are derived from the spectroscopic notation for the associated atomic orbitals: sharp, principal, diffuse and fundamental, and then g which follows f in the alphabet.
The following is the order for filling the "subshell" orbitals, according to the Aufbau principle, which also gives the linear order of the "blocks" (as atomic number increases) in the periodic table:
For discussion of the nature of why the energies of the blocks naturally appear in this order in complex atoms, see atomic orbital and electron configuration.
The "periodic" nature of the filling of orbitals, as well as emergence of the s, p, d and f "blocks" is more obvious, if this order of filling is given in matrix form, with increasing principal quantum numbers starting the new rows ("periods") in the matrix. Then, each subshell (composed of the first two quantum numbers) is repeated as many times as required for each pair of electrons it may contain. The result is a compressed periodic table, with each entry representing two successive elements: