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Siah, 50 Sn
Ki-pún sèng-chit Miâ, hû-hō
Siah, Sn Eng-bûn
tin Tông-sò͘-thé
alpha, α (gray) ; beta, β (white) Gōa-hêng
silvery-white (beta, β) or gray (alpha, α) Siah tī chiu-kî-piáu lāi ê ūi-tì
Goân-chú-hoan
50 Goân-chú-liōng (±)
118.710(7)[ 1] Goân-sò͘ lūi-pia̍t
āu-kòe-tō͘ kim-sio̍k Cho̍k , hun-khu
14 cho̍k , p khu Chiu-kî
tē 5 chiu-kî Tiān-chú pâi-lia̍t
[Kr ] 4d10 5s2 5p2 per shell
2, 8, 18, 18, 4 Bu̍t-lí sèng-chit Siòng
kò͘-thé Iûⁿ-tiám
505.08 K (231.93 °C, 449.47 °F) Hut-tiám
2875 K (2602 °C, 4716 °F) Bi̍t-tō͘ (sek-un )
white, β: 7.365 g·cm−3 gray, α: 5.769 g·cm−3
6.99 g·cm−3 Iûⁿ-hoà-jia̍t
white, β: 7.03 kJ·mol−1 Cheng-hoat-jia̍t
white, β: 296.1 kJ·mol−1 Jia̍t-iông-liōng
white, β: 27.112 J·mol−1 ·K−1
cheng-khì-ap
P (Pa)
1
10
100
1 k
10 k
100 k
tī T (K)
1497
1657
1855
2107
2438
2893
Goân-chú sèng-chit Sng-hòa-sò͘
4 , 3,[ 2] 2 , 1,[ 3] −1, −2, −3, −4 (an amphoteric oxide) Tiān-hū-tō͘
Pauling scale: 1.96 Tiān-lī-lêng
1st: 708.6 kJ·mol−1 2nd: 1411.8 kJ·mol−1 3rd: 2943.0 kJ·mol−1 Goân-chú pòaⁿ-kèng
empirical: 140 pm Kiōng-kè pòaⁿ-kèng
139±4 pm Van der Waals pòaⁿ-kèng
217 pm Cha̍p-lio̍k Chiⁿ-thé kò͘-chō
tetragonal white (β) Chiⁿ-thé kò͘-chō
diamond cubic gray (α) Siaⁿ-sok (sòe kùn-á)
2730 m·s−1 (at r.t. ) (rolled) Jia̍t-phòng-tiòng
22.0 µm·m−1 ·K−1 (at 25 °C) Jia̍t-thoân-tō-lu̍t
66.8 W·m−1 ·K−1 Tiān-chó͘-lu̍t
115 nΩ·m (at 0 °C) Chû-sèng
gray: diamagnetic [ 4] white (β): paramagnetic Young hē-sò͘
50 GPa Shear hē-sò͘
18 GPa Bulk hē-sò͘
58 GPa Poisson pí
0.36 Brinell ngē-tō͘
50–440 MPa CAS teng-kì pian-hō
7440-31-5 Le̍k-sú Hoat-hiān
around 3500 BC Chòe ún-tēng ê tông-ūi-sò͘
Chú bûn-chiong: Siah ê tông-ūi-sò͘
iso
NA
half-life
DM
DE (MeV )
DP
112 Sn
0.97%
–
(β+ β+ )
1.9222
112 Cd
114 Sn
0.66%
–
(SF )
<27.965
115 Sn
0.34%
–
(SF)
<26.791
116 Sn
14.54%
–
(SF)
<25.905
117 Sn
7.68%
–
(SF)
<25.334
118 Sn
24.22%
–
(SF)
<23.815
119 Sn
8.59%
–
(SF)
<23.140
120 Sn
32.58%
–
(SF)
<21.824
122 Sn
4.63%
–
(β− β− )
0.3661
122 Te
124 Sn
5.79%
>1×1017 y
(β− β− )
2.2870
124 Te
126 Sn
trace
2.3×105 y
β−
0.380 +
126 Sb
Decay modes in parentheses are predicted, but have not yet been observed
Siah (錫, Latin-gí : Stannum ) sī chiu-kî-pió lāi-té ê 1 chióng hoà-ha̍k goân-sò͘ , goân-chú-hoan 50. Siah sī lio̍h-á niáu-chhí-á-sek, hó-chhun-iân ê pi kim-sio̍k (poor metal), tī khong-khì--nih bô siáⁿ ē sng-hoà (oxidation), bô siáⁿ ē hú-si̍h (corrosion). Chin chē hūn-kim lóng ū hūn siah, he̍k-chiá kā kim-sio̍k tō͘ 1 iân siah, thang hông-chí hú-si̍h. Siah toā-hūn sī ùi siah-chio̍h (cassiterite) chit chióng khòng-bu̍t the̍h--tio̍h.