50
Sn
tin
118.71

General properties

Group
group 14
Period
period 5
Category
post-transition metals
Standard atomic weight
118.710(7)
Melting point
505.08 K (231.93 °C)
Boiling point
2875 K (2602 °C)
Phase at STP
solid

Additional properties

Block
p-block
Electron configuration
[Kr] 4d¹⁰ 5s² 5p²
Electrons per shell
2, 8, 18, 18, 4
Electronegativity
1.96
Density
white, β: 7.265 g/cm³ gray, α: 5.769 g/cm³
Oxidation states
−4, −3, −2, −1, 0, +1, +2, +3, +4 (an amphoteric oxide)
CAS Number
7440-31-5