Tin, 50Sn |
Tin |
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Appearance | sillery (left, beta) or gray (richt, alpha) |
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Standard atomic weight Ar, std(Sn) | 7002118710000000000♠118.710(7)[1] |
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Tin in the periodic cairt |
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Atomic nummer (Z) | 50 |
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Group | group 14 (caurbon group) |
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Period | period 5 |
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Block | p-block |
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Element category | Post-transeetion metal |
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Electron confeeguration | [Kr] 4d10 5s2 5p2 |
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Electrons per shell | 2, 8, 18, 18, 4 |
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Pheesical properties |
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Phase at STP | solit |
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Meltin pynt | 505.08 K (231.93 °C, 449.47 °F) |
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Bylin pynt | 2875 K (2602 °C, 4716 °F) |
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Density (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 o fusion | (white) 7.03 kJ/mol |
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Heat o vapourisation | (white) 296.1 kJ/mol |
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Molar heat capacity | (white) 27.112 J/(mol·K) |
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Vapour pressur
P (Pa)
|
1
|
10
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100
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1 k
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10 k
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100 k
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at T (K)
|
1497
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1657
|
1855
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2107
|
2438
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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 (an amphoteric oxide) |
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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 o tin |
Ither properties |
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Naitural occurrence | primordial |
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Creestal structur | tetragonal white |
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Speed o soond thin rod | (rolled) 2730 m/s (at r.t.) |
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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 orderin | (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 haurdness | 1.5 |
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Brinell haurdness | ~350 MPa |
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CAS Nummer | 7440-31-5 |
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History |
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Diskivery | aroond 3500 BC |
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Main isotopes o tin |
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Decay modes in parentheses are predictit, but hae nae yet been observed |
| references |
style="text-align:left"|
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in
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calc from C
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diff
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report
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ref
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C
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231.93
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—
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—
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K
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505.08
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505.08
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0
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F
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449.47
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449.47
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0
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WD
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449 !449 Fahrenheit 231.9 Celsius
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[8]
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input
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C: 231.93, K: 505.08, F: 449.47
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comment
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style="text-align:left"|
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in
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calc from C
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diff
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report
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ref
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C
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2602
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—
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—
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|
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K
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2875
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2875
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0
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F
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4716
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4716
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0
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WD
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4545 !4545 Fahrenheit 2507 Celsius
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[9]
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input
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C: 2602, K: 2875, F: 4716
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comment
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References
Thir references will appear in the airticle, but this list appears anerly on this page.
- ↑ Meija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305.
- ↑ "New Type of Zero-Valent Tin Compound". ChemistryViews. 27 August 2016.
- ↑ "HSn". NIST Chemistry WebBook. National Institute of Standards and Technology. Retrieved 23 Januar 2013.
- ↑ "SnH3". NIST Chemistry WebBook. National Institure of Standards and Technology. Retrieved 23 Januar 2013.
- ↑ Magnetic susceptibility of the elements and inorganic compounds, in Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
- ↑ "SnH3". NIST Chemistry WebBook. National Institure of Standards and Technology. Retrieved 23 Januar 2013.
- ↑ "HSn". NIST Chemistry WebBook. National Institute of Standards and Technology. Retrieved 23 Januar 2013.
- ↑ "The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals (English)"; date o publication: 1996; page: 1613.
- ↑ "The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals"; date o publication: 1996; page: 1613.