Polonium, 84Pongoi-kôn |
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silvery |
Kî-pún sin-sit |
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Miàng, fù-ho |
Polonium, Po |
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thùng-su-thí |
α, β |
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ngoi-hìn |
silvery |
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Polonium chhai chû-khì-péu ke vi-chi |
---|
|
ngièn-chṳ́ sì-sú |
84 |
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ngièn-chṳ́-liòng |
(209) |
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ngièn-su lui-phe̍t |
heu-ko-thu kîm-su̍k, ia̍h-sī lūi-kim-sio̍k |
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Chhu̍k, fûn-khî |
16 chhu̍k, p-block |
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chû-khì |
period 6 |
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thien-chṳ́ phài-lie̍t |
[Xe] 4f14 5d10 6s2 6p4 |
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per shell |
2, 8, 18, 32, 18, 6 |
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vu̍t-lî sin-chṳt |
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Siông |
ku-thí |
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yùng-tiám |
527 K (254 °C, 489 °F) |
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pui-tiám |
1235 K (962 °C, 1764 °F) |
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Me̍t-thu near Sit-vûn |
alpha: 9.196 g·cm−3 beta: 9.398 g·cm−3 |
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Yùng-fa-ngie̍t |
ca. 13 kJ·mol−1 |
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Chîn-fat-ngie̍t |
102.91 kJ·mol−1 |
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Ngie̍t-yùng-liong |
26.4 J·mol−1·K−1 |
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chîn-hi-ap
P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
chhai T (K)
|
|
|
|
(846)
|
1003
|
1236
| |
Ngièn-chṳ́ sin-chṳt |
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Yông-fa-su |
6, 5,[1] 4, 2, −2 (an amphoteric oxide) |
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Thien-fu-sin |
Pauling scale: 2.0 |
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Thien-lì-nèn |
1st: 812.1 kJ·mol−1 |
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Ngièn-chṳ́ pan-kang |
empirical: 168 pm |
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Khiung-ka pan-kang |
140±4 pm |
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Van der Waals pan-kang |
197 pm |
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Miscellanea |
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Chîn-thí keu-chho |
cubic α-Po |
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Chîn-thí keu-chho |
rhombohedral β-Po |
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Ngie̍t-phàng-chong |
23.5 µm·m−1·K−1 (at 25 °C) |
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Ngie̍t-chhòn-thô-li̍t |
20 W·m−1·K−1 (?) |
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Thien-chú-li̍t |
α: 0.40 µΩ·m (at 0 °C) |
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Chhṳ̀-sin |
nonmagnetic |
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CAS Registry Number |
7440-08-6 |
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Le̍k-sú |
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Hí-miàng |
after Polonia, Latin for Poland. Homeland of Marie Curie |
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Fat-hien |
Pierre Curie and Marie Curie (1898) |
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First isolation |
Willy Marckwald (1902) |
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Chui vún-thin ke thùng-vi-su |
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Chú vùn-chông: Polonium ke thùng-vi-su |
|
Polonium (Hon-ngî: 釙 pō) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Po, ngièn-chṳ́ su-muk he 84.
Chhâm-kháu chṳ̂-liau