50 Sn 118.711
Tin
post-transition metal
Properties
- Atomic number
- 50
- Atomic mass
- 118.711 u
- Category
- post-transition metal
- Group
- 14
- Period
- 5
- Block
- p-block
- State (room temp)
- Solid
- Outer-shell electrons
- 4
- Electronegativity
- 1.96 (Pauling)
- Density
- 7.365 g/cm³
- Melting point
- 231.93 °C
- Boiling point
- 2601.85 °C
Electron configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p²
Noble-gas shorthand: [Kr] 4d¹⁰ 5s² 5p²
Electrons per shell: 2, 8, 18, 18, 4 — that's 4 in the outermost shell.
About Tin
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.
- Discovered by unknown, before 3500 BC
- Appearance: silvery-white (beta, β) or gray (alpha, α)
Position in the periodic table
Data compiled from Wikipedia, PubChem, and IUPAC. Source.