Tin

Symbol | Sn
Latin name | Stannum
Atomic number | 50
Period | 5
Element category | Metals
Relative atomic mass | 118.710
Group | IV.A
Electronegativity | 1.8
Oxidation numbers | 2, 4
Electron configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p2
Density [g/cm3] | 7.29
State | Solid
Melting point [°C] | 231.97
Boiling point [°C] | 2270
Atomic radius [pm] | 145
Covalent radius [pm] | 141
Thermal conductivity [W m-1K-1] | 66.6
Heat capacity [J K-1g-1] | 0.228
Discovery | Antiquity
Hardness [Mohs scale] | 1.8
Young's modulus [GPa] | 50
Electrical conductivity [S m-1] | 8.7 · 106
Electrical resistivity [10-6Ω.m] | 0.126
Shear modulus [GPa] | 18
1.st ionization energy [eV] | 7.3438
2.nd ionization energy [eV] | 14.632
3.rd ionization energy [eV] | 30.502
Stable isotopes | 10
Unstable isotopes | 18