Polonium

Polonium (Óa-im: "po-ló-ni-ùm") sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 84, hoà-ha̍k hû-hō sī Po.

Polonium,  ₈₄Po

Ki-pún sèng-chit
Miâ, hû-hō	polonium, Po
Tông-sò͘-thé	α, β
Gōa-hêng	silvery
Polonium tī chiu-kî-piáu lāi ê ūi-tì
Te ↑ Po ↓ Lv bismuth ← polonium → astatine
Goân-chú-hoan	84
Goân-chú-liōng	(209)
Goân-sò͘ lūi-pia̍t	āu-kòe-tō͘ kim-sio̍k ia̍h-sī lūi-kim-sio̍k
Cho̍k, hun-khu	16 cho̍k, p khu
Chiu-kî	tē 6 chiu-kî
Tiān-chú pâi-lia̍t	[Xe] 4f14 5d10 6s2 6p4
per shell	2, 8, 18, 32, 18, 6
Bu̍t-lí sèng-chit
Siòng	solid
Iûⁿ-tiám	527 K ​(254 °C, ​489 °F)
Hut-tiám	1235 K ​(962 °C, ​1764 °F)
Bi̍t-tō͘  (sek-un)	alpha: 9.196 g·cm−3 beta: 9.398 g·cm−3
Iûⁿ-hoà-jia̍t	ca. 13 kJ·mol−1
Cheng-hoat-jia̍t	102.91 kJ·mol−1
Jia̍t-iông-liōng	26.4 J·mol−1·K−1
cheng-khì-ap P (Pa) 1 10 100 1 k 10 k 100 k tī T (K) (846) 1003 1236
Goân-chú sèng-chit
Sng-hòa-sò͘	6, 5, 4, 2, −2 ​(an amphoteric oxide)
Tiān-hū-tō͘	Pauling scale: 2.0
Tiān-lī-lêng	1st: 812.1 kJ·mol−1
Goân-chú pòaⁿ-kèng	empirical: 168 pm
Kiōng-kè pòaⁿ-kèng	140±4 pm
Van der Waals pòaⁿ-kèng	197 pm
Cha̍p-lio̍k
Chiⁿ-thé kò͘-chō	​cubic α-Po
Chiⁿ-thé kò͘-chō	​rhombohedral β-Po
Jia̍t-phòng-tiòng	23.5 µm·m−1·K−1 (at 25 °C)
Jia̍t-thoân-tō-lu̍t	20 W·m−1·K−1 (?)
Tiān-chó͘-lu̍t	α: 0.40 µΩ·m (at 0 °C)
Chû-sèng	nonmagnetic
CAS teng-kì pian-hō	7440-08-6
Le̍k-sú
Hō-miâ	after Polonia, Latin for Poland. Homeland of Marie Curie
Hoat-hiān	Pierre Curie and Marie Curie (1898)
Siōng chá hû-lî	Willy Marckwald (1902)
Chòe ún-tēng ê tông-ūi-sò͘
Chú bûn-chiong: polonium ê tông-ūi-sò͘
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