Siak

Siak,  ₅₀Sn

ngoi-kôn
silvery-white (beta, β) or gray (alpha, α)
Kî-pún sin-sit
Miàng, fù-ho	Siak, Sn
Yîn-ngî	tin
thùng-su-thí	alpha, α (gray); beta, β (white)
ngoi-hìn	silvery-white (beta, β) or gray (alpha, α)
Siak chhai chû-khì-péu ke vi-chi
Ge ↑ Sn ↓ Pb indium ← Siak → antimony
ngièn-chṳ́ sì-sú	50
ngièn-chṳ́-liòng (±)	118.710(7)
ngièn-su lui-phe̍t	heu-ko-thu kîm-su̍k
Chhu̍k, fûn-khî	14 chhu̍k, p-block
chû-khì	period 5
thien-chṳ́ phài-lie̍t	[Kr] 4d10 5s2 5p2
per shell	2, 8, 18, 18, 4
vu̍t-lî sin-chṳt
Siông	ku-thí
yùng-tiám	505.08 K ​(231.93 °C, ​449.47 °F)
pui-tiám	2875 K ​(2602 °C, ​4716 °F)
Me̍t-thu near Sit-vûn	white, β: 7.365 g·cm−3 gray, α: 5.769 g·cm−3
6.99 g·cm−3
Yùng-fa-ngie̍t	white, β: 7.03 kJ·mol−1
Chîn-fat-ngie̍t	white, β: 296.1 kJ·mol−1
Ngie̍t-yùng-liong	white, β: 27.112 J·mol−1·K−1
chîn-hi-ap P (Pa) 1 10 100 1 k 10 k 100 k chhai T (K) 1497 1657 1855 2107 2438 2893
Ngièn-chṳ́ sin-chṳt
Yông-fa-su	4, 3, 2, 1, −1, −2, −3, −4 ​(an amphoteric oxide)
Thien-fu-sin	Pauling scale: 1.96
Thien-lì-nèn	1st: 708.6 kJ·mol−1 2nd: 1411.8 kJ·mol−1 3rd: 2943.0 kJ·mol−1
Ngièn-chṳ́ pan-kang	empirical: 140 pm
Khiung-ka pan-kang	139±4 pm
Van der Waals pan-kang	217 pm
Miscellanea
Chîn-thí keu-chho	​tetragonal white (β)
Chîn-thí keu-chho	​diamond cubic gray (α)
Sâng-suk thin rod	2730 m·s−1 (at r.t.) (rolled)
Ngie̍t-phàng-chong	22.0 µm·m−1·K−1 (at 25 °C)
Ngie̍t-chhòn-thô-li̍t	66.8 W·m−1·K−1
Thien-chú-li̍t	115 nΩ·m (at 0 °C)
Chhṳ̀-sin	gray: diamagnetic white (β): paramagnetic
Young's modulus	50 GPa
Shear modulus	18 GPa
Bulk modulus	58 GPa
Poisson ratio	0.36
Brinell hardness	50–440 MPa
CAS Registry Number	7440-31-5
Le̍k-sú
Fat-hien	around 3500 BC
Chui vún-thin ke thùng-vi-su
Chú vùn-chông: Siak ke thùng-vi-su
iso NA half-life DM DE (MeV) DP 112Sn 0.97% – (β+β+) 1.9222 112Cd 114Sn 0.66% – (SF) <27.965 115Sn 0.34% – (SF) <26.791 116Sn 14.54% – (SF) <25.905 117Sn 7.68% – (SF) <25.334 118Sn 24.22% – (SF) <23.815 119Sn 8.59% – (SF) <23.140 120Sn 32.58% – (SF) <21.824 122Sn 4.63% – (β−β−) 0.3661 122Te 124Sn 5.79% >1×1017 y (β−β−) 2.2870 124Te 126Sn trace 2.3×105 y β− 0.380 + 126Sb
Decay modes in parentheses are predicted, but have not yet been observed

Siak (錫) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Sn, ngièn-chṳ́ su-muk he 50. Siak he yit-tsúng tsú-tshu̍k Kîm-su̍k. Sùn-tsṳn ke siak yû ngiùn fôi-set tsṳ̂ kîm-su̍k kông-yùng, yúng-yû liòng-hó ke tshûn-tsán sin-nèn. Siak ke tô-tsúng ha̍p-kîm yû fòng-fú-sṳ̍t ke sin-nèn, só-yî sòng-sòng pûn-ngìn yung-lòi tsok-vì khì-thâ kîm-su̍k ke fòng-fú tshèn. Siak sṳn-sán tì Chûng-koet Yùn-nàm, Mâ-lòi-sî-â tén-tén thi-khî.