Mercury |
Symbol | Hg |
---|---|
Latin name | Hydrargyrum |
Atomic number | 80 |
Period | 6 |
Element category | Transition elements |
Relative atomic mass | 200.59 |
Group | II.B |
Electronegativity | 1.9 |
Oxidation numbers | 1, 2 |
Electron configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 |
Density [g/cm3] | 13.546 |
State | Liquid |
Melting point [°C] | -38.862 |
Boiling point [°C] | 356.66 |
Critical point [°C] | 1477 |
Critical pressure [MPa] | 172 |
Atomic radius [pm] | 171 |
Covalent radius [pm] | 149 |
Thermal conductivity [W m-1K-1] | 8.34 |
Heat capacity [J K-1g-1] | 0.140 |
Discovery | Antiquity |
Hardness [Mohs scale] | 1.5 |
Electrical conductivity [S m-1] | 1 · 106 |
Electrical resistivity [10-6Ω.m] | 0.959 |
1.st ionization energy [eV] | 10.4375 |
2.nd ionization energy [eV] | 18.759 |
3.rd ionization energy [eV] | 34.202 |
Stable isotopes | 7 |
Unstable isotopes | 19 |