Polonium

Polonium (Hon-ngî: 釙 pō) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Po, ngièn-chṳ́ su-muk he 84.

Polonium,  ₈₄Po

ngoi-kôn
silvery
Kî-pún sin-sit
Miàng, fù-ho	Polonium, Po
thùng-su-thí	α, β
ngoi-hìn	silvery
Polonium chhai chû-khì-péu ke vi-chi
Te ↑ Po ↓ Lv bismuth ← Polonium → astatine
ngièn-chṳ́ sì-sú	84
ngièn-chṳ́-liòng	(209)
ngièn-su lui-phe̍t	heu-ko-thu kîm-su̍k, ia̍h-sī lūi-kim-sio̍k
Chhu̍k, fûn-khî	16 chhu̍k, p-block
chû-khì	period 6
thien-chṳ́ phài-lie̍t	[Xe] 4f14 5d10 6s2 6p4
per shell	2, 8, 18, 32, 18, 6
vu̍t-lî sin-chṳt
Siông	ku-thí
yùng-tiám	527 K ​(254 °C, ​489 °F)
pui-tiám	1235 K ​(962 °C, ​1764 °F)
Me̍t-thu near Sit-vûn	alpha: 9.196 g·cm−3 beta: 9.398 g·cm−3
Yùng-fa-ngie̍t	ca. 13 kJ·mol−1
Chîn-fat-ngie̍t	102.91 kJ·mol−1
Ngie̍t-yùng-liong	26.4 J·mol−1·K−1
chîn-hi-ap P (Pa) 1 10 100 1 k 10 k 100 k chhai T (K) (846) 1003 1236
Ngièn-chṳ́ sin-chṳt
Yông-fa-su	6, 5, 4, 2, −2 ​(an amphoteric oxide)
Thien-fu-sin	Pauling scale: 2.0
Thien-lì-nèn	1st: 812.1 kJ·mol−1
Ngièn-chṳ́ pan-kang	empirical: 168 pm
Khiung-ka pan-kang	140±4 pm
Van der Waals pan-kang	197 pm
Miscellanea
Chîn-thí keu-chho	​cubic α-Po
Chîn-thí keu-chho	​rhombohedral β-Po
Ngie̍t-phàng-chong	23.5 µm·m−1·K−1 (at 25 °C)
Ngie̍t-chhòn-thô-li̍t	20 W·m−1·K−1 (?)
Thien-chú-li̍t	α: 0.40 µΩ·m (at 0 °C)
Chhṳ̀-sin	nonmagnetic
CAS Registry Number	7440-08-6
Le̍k-sú
Hí-miàng	after Polonia, Latin for Poland. Homeland of Marie Curie
Fat-hien	Pierre Curie and Marie Curie (1898)
First isolation	Willy Marckwald (1902)
Chui vún-thin ke thùng-vi-su
Chú vùn-chông: Polonium ke thùng-vi-su
iso NA half-life DM DE (MeV) DP 208Po syn 2.898 y α 5.215 204Pb β+ 1.401 208Bi 209Po syn (125.2±3.3) y α 4.979 205Pb β+ 1.893 209Bi 210Po trace 138.376 d α 5.307 206Pb