50Solid
Sn 118.71 Atomic mass · uPost-transition metals
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.
Discovery Ancient (unknown, before 3500 BC)
K2L8M18N18O4
Physical properties
Values for the element in its standard state.
- Density
- 7.31g/cm³
- Melting point
- 505K
- Boiling point
- 2,875K
- Atomic radius
- 141pm
- Bonding type
- Metallic
- Molar heat
- 27.112J/(mol·K)
Inside the atom
Electron arrangement and the energy behind its behavior.
Full electron configuration
1s, 2 electrons; 2s, 2 electrons; 2p, 6 electrons; 3s, 2 electrons; 3p, 6 electrons; 3d, 10 electrons; 4s, 2 electrons; 4p, 6 electrons; 4d, 10 electrons; 5s, 2 electrons; 5p, 2 electrons;
[Kr] represents 36 core electrons. The full view shows them explicitly.
50 electrons Orbital order preserved from source
- Electronegativity
- 1.96Pauling scale
- First ionization energy
- 709kJ/mol
- Electron affinity
- 107kJ/mol
- Van der Waals radius
- 217pm
Sn TinAtomic number 50
709kJ/mol
Atomic numberGaps indicate unavailable data
About tin
- Appearance
- Silvery-white (beta, β) or gray (alpha, α)
- Discovery
- Ancient (unknown, before 3500 BC)
- Data source
- Read the reference
A missing value means it is unavailable in this reference dataset. Values can vary with measurement method and conditions.