Bismuth

Symbol | Bi
Latin name | Bismuthum
Atomic number | 83
Period | 6
Element category | Metals
Relative atomic mass | 208.98037
Group | V.A
Electronegativity | 1.9
Oxidation numbers | 3, 5
Electron configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p3
Density [g/cm3] | 9.81
State | Solid
Melting point [°C] | 271.44
Boiling point [°C] | 1560
Atomic radius [pm] | 143
Covalent radius [pm] | 146
Thermal conductivity [W m-1K-1] | 7.87
Heat capacity [J K-1g-1] | 0.122
Discovery | 1450
Hardness [Mohs scale] | 2.5
Brinell hardness [MPa] | 94.2
Young's modulus [GPa] | 32
Electrical conductivity [S m-1] | 8.67 · 105
Shear modulus [GPa] | 12
1.st ionization energy [eV] | 7.289
2.nd ionization energy [eV] | 16.687
3.rd ionization energy [eV] | 25.559
Stable isotopes | 1
Unstable isotopes | 18