Berkelium

Berkelium (Hon-ngî: 鉳 běi fe̍t-chá 錇 péi) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Bk, ngièn-chṳ́ su-muk he 97.

Berkelium,  ₉₇Bk

ngoi-kôn
silvery
Kî-pún sin-sit
Miàng, fù-ho	Berkelium, Bk
ngoi-hìn	silvery
Berkelium chhai chû-khì-péu ke vi-chi
Tb ↑ Bk ↓ (Uqe) curium ← Berkelium → californium
ngièn-chṳ́ sì-sú	97
ngièn-chṳ́-liòng	(247)
ngièn-su lui-phe̍t	actinium-hi
Chhu̍k, fûn-khî	n/a, f-block
chû-khì	period 7
thien-chṳ́ phài-lie̍t	[Rn] 5f9 7s2
per shell	2, 8, 18, 32, 27, 8, 2
vu̍t-lî sin-chṳt
Siông	ku-thí
yùng-tiám	beta: 1259 K ​(986 °C, ​1807 °F)
pui-tiám	beta: 2900 K ​(2627 °C, ​4760 °F)
Me̍t-thu near Sit-vûn	alpha: 14.78 g·cm−3 beta: 13.25 g·cm−3
Yùng-fa-ngie̍t	7.92 kJ·mol−1 (calculated)
Ngièn-chṳ́ sin-chṳt
Yông-fa-su	2, 3, 4
Thien-fu-sin	Pauling scale: 1.3
Thien-lì-nèn	1st: 601 kJ·mol−1
Ngièn-chṳ́ pan-kang	empirical: 170 pm
Miscellanea
Chîn-thí keu-chho	​double hexagonal close-packed (dhcp)
Ngie̍t-chhòn-thô-li̍t	10 W·m−1·K−1
Chhṳ̀-sin	paramagnetic
CAS Registry Number	7440-40-6
Le̍k-sú
Hí-miàng	after Berkeley, California, where it was discovered
Fat-hien	Lawrence Berkeley National Laboratory (1949)
Chui vún-thin ke thùng-vi-su
Chú vùn-chông: Berkelium ke thùng-vi-su
iso NA half-life DM DE (MeV) DP 245Bk syn 4.94 d ε 0.810 245Cm α 6.455 241Am 246Bk syn 1.8 d α 6.070 242Am ε 1.350 246Cm 247Bk syn 1380 y α 5.889 243Am 248Bk syn >300 y α 5.803 244Am 249Bk syn 330 d α 245Am SF – β− 249Cf