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.
Experiment with the elements
Tin doesn't form any compounds in our lab yet, but the periodic table sandbox lets you combine dozens of other real elements into real compounds — water, table salt, ammonia and many more — with their true chemical formulas.