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 |