Indium Antimony

Tin (Sn)

From Wikipedia, the free encyclopediaTin is a chemical element with the symbol Sn (for Latin:stannum) and atomic number 50. It is a main group metal in group 14 of the periodic table. Tin shows a chemical similarity to both neighboring group-14 elements, germanium and lead, and has two possible oxidation states, +2 and the slightly more stable +4.
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Tin in the periodic table

SymbolSn
Atomic number50
Group14
Period5
Blockp
Element categoryPost-Transition Metal

Physical properties

Phase at STPSolid
Density7.365 g/cm3
Atomic weight118.711 u
Melting point505.08 K
231.93 °C
449.474 °F
Boiling point2875 K
2601.85 °C
4715.33 °F

Atomära egenskaper

Electronegativity (Pauling Scale)1.96
Electron affinity107.298 kJ/mol
Ionization energies
1708.6 kJ/mol
2 1411.8 kJ/mol
3 2943 kJ/mol
4 3930.3 kJ/mol
5 7456 kJ/mol

Electron configuration

Electron configuration1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p2
Electrons per shell2, 8, 18, 18, 4

History

Discovered-3500
Discovered byAsia Minor