50 Sn 118.7107

Tin

POST-TRANSITION METAL

Phase: Solid

Discovered: unknown, before 3500 BC

Block: P

Summary

Tin 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.

Appearance: silvery-white (beta, β) or gray (alpha, α)

Source: Wikipedia

Physical Properties

Atomic Mass 118.7107 u

Density 7.365 g/cm³

Melting Point 505.08 K

Boiling Point 2875 K

Molar Heat 27.112 J/(mol·K)

Electron Affinity 107.2984 kJ/mol

Ionization Energies

1^st: 708.6 kJ/mol

2^nd: 1411.8 kJ/mol

3^rd: 2943 kJ/mol

4^th: 3930.3 kJ/mol

5^th: 7456 kJ/mol