ASCII PERIODIC TABLE OF THE ELEMENTS

  Sn

Relative atomic mass: 118.710 ± 0.007

English: Tin
French: Etain
Croatian: Kositar
German: Zinn
Italian: Stagno
Spanish: Estaño

Atomic number: 50
Group numbers: 14
Period: 5
Standard state (20 °C): solid

Discovery: - -
Tin has been known since ancient times. The origin of the name comes from the Latin word 'stannum' meaning 'tin'. It is a silvery-white, soft, malleable and ductile metal that ressist oxygen and water but dissolves in acids and bases. Exposed surfaces form oxide film. Organic tin compounds may be highly toxic. Tin is principally found in the ore cassiterite (SnO2) and stannine (Cu2FeSnS4). It is used as a coating for steel cans since it is non-toxic and non-corrosive, also in solder (33%Sn:67%Pb), bronze (20%Sn:80%Cu) and pewter. Stannous fluoride (SnF2), a compound of tin and fluorine is used in some toothpaste.
Electronic configuration: [Kr] 4d10 5s2 5p2
Formal oxidation number: +2 +4
Atomic radius: 140.5 pm

Electronegativities: 1.96
Thermal conductivity: 66.6 W/(m K)
Electrical resistivity (20 °C): 11 μΩcm

Melting point: 231.928 °C
Boiling point: 2602 °C

Heat of fusion: 7.2 kJ/mol
Heat of vaporization: 296.2 kJ/mol
Heat of atomization: 302 kJ/mol

49In <= 50Sn => 51Sb


ASCII Periodic Table of the Elements
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31 Mar. 2008
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