 |
Tin |
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Ìhànsójú | silvery lustrous gray |
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Ìwúwo átọ̀mù Ar, std(Sn) | 118.710(7)[1] |
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Tin ní orí tábìlì àyè |
---|
|
Nọ́mbà átọ̀mù (Z) | 50 |
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Ẹgbẹ́ | group 14 (carbon group) |
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Àyè | àyè 5 |
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Àdìpọ̀ | Àdìpọ̀-p |
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Ẹ̀ka ẹ́límẹ́ntì | Post-transition metal |
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Ìtò ẹ̀lẹ́ktrọ́nù | [Kr] 4d10 5s2 5p2 |
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Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan | 2, 8, 18, 18, 4 |
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Àwọn ohun ìní ara |
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Ìfarahàn at STP | solid |
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Ìgbà ìyọ́ | 505.08 K (231.93 °C, 449.47 °F) |
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Ígbà ìhó | 2875 K (2602 °C, 4716 °F) |
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Kíki (near r.t.) | (white) 7.365 g/cm3 (gray) 5.769 g/cm3 |
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when liquid (at m.p.) | 6.99 g/cm3 |
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Heat of fusion | (white) 7.03 kJ/mol |
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Heat of | (white) 296.1 kJ/mol |
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Molar heat capacity | (white) 27.112 J/(mol·K) |
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pressure
P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
---|
at T (K)
|
1497
|
1657
|
1855
|
2107
|
2438
|
2893
|
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|
Atomic properties |
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Oxidation states | −4, −3, −2, −1, 0,[2] +1,[3] +2, +3,[4] +4 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment |
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Electronegativity | Pauling scale: 1.96 |
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Atomic radius | empirical: 140 pm |
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Covalent radius | 139±4 pm |
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Van der Waals radius | 217 pm |
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Spectral lines of tin |
Other properties |
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Natural occurrence | primordial |
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Crystal structure | Tetragonal (white), diamond cubic (gray) |
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Thermal expansion | 22.0 µm/(m·K) (at 25 °C) |
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Thermal conductivity | 66.8 W/(m·K) |
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Electrical resistivity | 115 n Ω·m (at 0 °C) |
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Magnetic ordering | (gray)diamagnetic[5], (white) paramagnetic |
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Young's modulus | 50 GPa |
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Shear modulus | 18 GPa |
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Bulk modulus | 58 GPa |
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Poisson ratio | 0.36 |
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Mohs hardness | 1.5 |
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Brinell hardness | 51 MPa |
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CAS Number | 7440-31-5 |
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Main isotopes of tin |
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Àdàkọ:Category-inline | references |