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Rubidium, 37Rb
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Ki-pún sèng-chit |
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Miâ, hû-hō |
rubidium, Rb |
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Gōa-hêng |
grey white |
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Rubidium tī chiu-kî-piáu lāi ê ūi-tì |
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Goân-chú-hoan |
37 |
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Goân-chú-liōng (±) |
85.4678(3)[1] |
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Goân-sò͘ lūi-pia̍t |
kiⁿ-kim-sio̍k |
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Cho̍k, hun-khu |
1 cho̍k, s khu |
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Chiu-kî |
tē 5 chiu-kî |
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Tiān-chú pâi-lia̍t |
[Kr] 5s1 |
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per shell |
2, 8, 18, 8, 1 |
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Bu̍t-lí sèng-chit |
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Siòng |
kò͘-thé |
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Iûⁿ-tiám |
312.45 K (39.30 °C, 102.74 °F) |
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Hut-tiám |
961 K (688 °C, 1270 °F) |
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Bi̍t-tō͘ (sek-un) |
1.532 g·cm−3 |
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1.46 g·cm−3 |
Sam-siòng-tiám |
312.41 K, ? kPa[2] |
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Lîm-kài-tiám |
2093 K, 16 MPa (extrapolated)[2] |
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Iûⁿ-hoà-jia̍t |
2.19 kJ·mol−1 |
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Cheng-hoat-jia̍t |
69 kJ·mol−1 |
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Jia̍t-iông-liōng |
31.060 J·mol−1·K−1 |
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cheng-khì-ap
P (Pa)
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1
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10
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100
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1 k
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10 k
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100 k
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tī T (K)
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434
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486
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552
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641
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769
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958
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Goân-chú sèng-chit |
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Sng-hòa-sò͘ |
+1, −1 (a strongly basic oxide) |
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Tiān-hū-tō͘ |
Pauling scale: 0.82 |
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Tiān-lī-lêng |
1st: 403 kJ·mol−1 2nd: 2632.1 kJ·mol−1 3rd: 3859.4 kJ·mol−1 |
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Goân-chú pòaⁿ-kèng |
empirical: 248 pm |
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Kiōng-kè pòaⁿ-kèng |
220±9 pm |
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Van der Waals pòaⁿ-kèng |
303 pm |
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Cha̍p-lio̍k |
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Chiⁿ-thé kò͘-chō |
body-centered cubic (bcc) |
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Siaⁿ-sok (sòe kùn-á) |
1300 m·s−1 (at 20 °C) |
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Jia̍t-phòng-tiòng |
90 µm·m−1·K−1[3] (at r.t.) |
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Jia̍t-thoân-tō-lu̍t |
58.2 W·m−1·K−1 |
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Tiān-chó͘-lu̍t |
128 nΩ·m (at 20 °C) |
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Chû-sèng |
paramagnetic[4] |
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Young hē-sò͘ |
2.4 GPa |
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Bulk hē-sò͘ |
2.5 GPa |
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Mohs ngē-tō͘ |
0.3 |
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Brinell ngē-tō͘ |
0.216 MPa |
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CAS teng-kì pian-hō |
7440-17-7 |
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Le̍k-sú |
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Hoat-hiān |
Robert Bunsen and Gustav Kirchhoff (1861) |
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Siōng chá hû-lî |
George de Hevesy |
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Chòe ún-tēng ê tông-ūi-sò͘ |
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Chú bûn-chiong: rubidium ê tông-ūi-sò͘ |
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Rubidium sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 37, hoà-ha̍k hû-hō sī Rb.