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| Hg | Mercury | Metal |
| Atomic number: | 80 | Atomic weight: | 200.59 | ||
| Shells: | 2,8,18,32,8,2 | Orbitals: | [Xe] 4f14 5d10 6s2 | ||
| Melting point: | -38.87°C | Boiling point: | 356.58°C | ||
| Covalent radius: | 1.49 | Å | Atomic volume: | 14.82 | cm³/mol |
| Atomic radius: | 1.76 | Å | Ionic radius: | 1.02 (+2) | Å |
| Electronegativity: | 2.00 | Oxidation states: | (2),1 | ||
| 1st ionization pot.: | 10.4375 | V | 2nd ionization pot.: | 18.759 | V |
| 3rd ionization pot.: | 34.202 | V | Specific heat: | 0.139 | J/gK |
| Heat of fusion: | 2.295 | kJ/mol | Heat of vapor.: | 59.229 | kJ/mol |
| Thermal conduct.: | 0.0834 | W/cmK | Electrical conduct.: | 0.0104 | 10^6/cm ohm |
| Density: | 13.546 | g/cm³ | Valence: | 1,2 |
