Bismuth

Bismuth (Hon-ngî: 鉍 bì) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Bi, ngièn-chṳ́ su-muk he 83.

Bismuth,  ₈₃Bi

ngoi-kôn
lustrous silver
Kî-pún sin-sit
Miàng, fù-ho	Bismuth, Bi
ngoi-hìn	lustrous silver
Bismuth chhai chû-khì-péu ke vi-chi
Sb ↑ Bi ↓ Mc yèn ← Bismuth → polonium
ngièn-chṳ́ sì-sú	83
ngièn-chṳ́-liòng (±)	208.98040(1)
ngièn-su lui-phe̍t	heu-ko-thu kîm-su̍k
Chhu̍k, fûn-khî	15 chhu̍k, p-block
chû-khì	period 6
thien-chṳ́ phài-lie̍t	[Xe] 4f14 5d10 6s2 6p3
per shell	2, 8, 18, 32, 18, 5
vu̍t-lî sin-chṳt
Siông	ku-thí
yùng-tiám	544.7 K ​(271.5 °C, ​520.7 °F)
pui-tiám	1837 K ​(1564 °C, ​2847 °F)
Me̍t-thu near Sit-vûn	9.78 g·cm−3
10.05 g·cm−3
Yùng-fa-ngie̍t	11.30 kJ·mol−1
Chîn-fat-ngie̍t	179 kJ·mol−1
Ngie̍t-yùng-liong	25.52 J·mol−1·K−1
chîn-hi-ap P (Pa) 1 10 100 1 k 10 k 100 k chhai T (K) 941 1041 1165 1325 1538 1835
Ngièn-chṳ́ sin-chṳt
Yông-fa-su	5, 4, 3, 2, 1, −1, −2, −3 ​(a mildly acidic oxide)
Thien-fu-sin	Pauling scale: 2.02
Thien-lì-nèn	1st: 703 kJ·mol−1 2nd: 1610 kJ·mol−1 3rd: 2466 kJ·mol−1 (more)
Ngièn-chṳ́ pan-kang	empirical: 156 pm
Khiung-ka pan-kang	148±4 pm
Van der Waals pan-kang	207 pm
Miscellanea
Chîn-thí keu-chho	​rhombohedral
Sâng-suk thin rod	1790 m·s−1 (at 20 °C)
Ngie̍t-phàng-chong	13.4 µm·m−1·K−1 (at 25 °C)
Ngie̍t-chhòn-thô-li̍t	7.97 W·m−1·K−1
Thien-chú-li̍t	1.29 µΩ·m (at 20 °C)
Chhṳ̀-sin	diamagnetic
Young's modulus	32 GPa
Shear modulus	12 GPa
Bulk modulus	31 GPa
Poisson ratio	0.33
Mohs hardness	2.25
Brinell hardness	70–95 MPa
CAS Registry Number	7440-69-9
Le̍k-sú
Fat-hien	Claude François Geoffroy (1753)
Chui vún-thin ke thùng-vi-su
Chú vùn-chông: Bismuth ke thùng-vi-su
iso NA half-life DM DE (MeV) DP 207Bi syn 31.55 y β+ 2.399 207Pb 208Bi syn 3.68×105 y β+ 2.880 208Pb 209Bi 100% 1.9×1019 y α 3.137 205Tl 210Bi trace 5.012 d β− 1.426 210Po α 5.982 206Tl 210mBi syn 3.04×106 y IT 0.271 210Bi α 6.253 206Tl