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Promethium, 61Pm
 Spectral lines of promethium |
| Ki-pún sèng-chit |
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| Miâ, hû-hō |
promethium, Pm |
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| Gōa-hêng |
metallic |
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| Promethium tī chiu-kî-piáu lāi ê ūi-tì |
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| Goân-chú-hoan |
61 |
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| Goân-chú-liōng |
[145] |
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| Goân-sò͘ lūi-pia̍t |
lanthanum-hē |
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| Cho̍k, hun-khu |
n/a, f khu |
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| Chiu-kî |
tē 6 chiu-kî |
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| Tiān-chú pâi-lia̍t |
[Xe] 4f5 6s2 |
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| per shell |
2, 8, 18, 23, 8, 2 |
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| Bu̍t-lí sèng-chit |
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| Siòng |
solid |
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| Iûⁿ-tiám |
1315 K (1042 °C, 1908 °F) |
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| Hut-tiám |
3273 K (3000 °C, 5432 °F) |
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| Bi̍t-tō͘ (sek-un) |
7.26 g·cm−3 |
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| Iûⁿ-hoà-jia̍t |
7.13 kJ·mol−1 |
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| Cheng-hoat-jia̍t |
289 kJ·mol−1 |
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| Goân-chú sèng-chit |
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| Sng-hòa-sò͘ |
3, 2 (a mildly basic oxide) |
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| Tiān-hū-tō͘ |
Pauling scale: 1.13 (?) |
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| Tiān-lī-lêng |
1st: 540 kJ·mol−1
2nd: 1050 kJ·mol−1
3rd: 2150 kJ·mol−1 |
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| Goân-chú pòaⁿ-kèng |
empirical: 183 pm |
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| Kiōng-kè pòaⁿ-kèng |
199 pm |
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| Cha̍p-lio̍k |
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| Chiⁿ-thé kò͘-chō |
double hexagonal close-packed (dhcp) |
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| Jia̍t-phòng-tiòng |
9.0 µm·m−1·K−1[1] (at r.t.) |
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| Jia̍t-thoân-tō-lu̍t |
17.9 W·m−1·K−1 |
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| Tiān-chó͘-lu̍t |
est. 0.75 µΩ·m (at r.t.) |
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| Chû-sèng |
paramagnetic[2] |
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| Young hē-sò͘ |
α form: est. 46 GPa |
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| Shear hē-sò͘ |
α form: est. 18 GPa |
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| Bulk hē-sò͘ |
α form: est. 33 GPa |
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| Poisson pí |
α form: est. 0.28 |
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| CAS teng-kì pian-hō |
7440-12-2 |
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| Le̍k-sú |
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| Hoat-hiān |
Chien Shiung Wu, Emilio Segrè, Hans Bethe (1942) |
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| Siōng chá hû-lî |
Charles D. Coryell, Jacob A. Marinsky, Lawrence E. Glendenin, Harold G. Richter (1945) |
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| hō-miâ |
Grace Mary Coryell (1945) |
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| Chòe ún-tēng ê tông-ūi-sò͘ |
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Chú bûn-chiong: promethium ê tông-ūi-sò͘ |
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Promethium sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 61, hoà-ha̍k hû-hō sī Pm.
