Mercury

Symbol | Hg
Latin name | Hydrargyum
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