50 Sn 118.71
Tin
Post-Transition Metal
Tin (Sn) is a chemical element with atomic number 50, classified as a post-transition metal. At room temperature it is a solid. It has been known since ancient times.
Properties
- Atomic number
- 50
- Atomic mass
- 118.71 u
- Category
- Post-Transition Metal
- Group
- 14
- Period
- 5
- Block
- p-block
- Electron configuration
- [Kr] 4d¹⁰ 5s² 5p²
- Phase at STP
- Solid
- Density
- 7.287 g/cm³
- Melting point
- 505.08 K (231.9 °C)
- Boiling point
- 2875 K (2601.8 °C)
- Electronegativity
- 1.96
- Atomic radius
- 145 pm
- Ionization energy
- 7.344 eV
- Discovery
- Known since ancient times
Common uses
Cans, solders, bronze, organ pipes, pewter
Did you know?
One of the first metals known to humans and prevents food spoilage.