50 Sn
Post-transition metal
Tin
Coats steel cans; in bronze.
Properties of Tin
- Atomic number (Z)
- 50
- Symbol
- Sn
- Atomic mass
- 118.71 g/mol
- Category
- Post-transition metal
- Group
- 14
- Period
- 5
- Electron configuration
- [Kr] 4d¹⁰ 5s² 5p²
- Electronegativity (Pauling)
- 1.96
- Atomic radius
- 145 pm
- First ionization energy
- 709 kJ/mol
- Melting point
- 505.08 K (231.9 °C)
- Boiling point
- 2875 K (2601.8 °C)
- Density
- 7.287 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Known since ancient times