| Element | Mercury | Symbol | Hg |
| Atomic Number | 80 | Molar Mass | 200.59 gmol-1 |
| Electron Configuration | [Xe]4f145d106s2 | Normal State | liquid metal |
| Density @STP | 13.55 g cm-3 | Melting Point | -39oC |
| Boiling Point | 357oC | Stable Isotopes | 196Hg, 198Hg, 199Hg, 200Hg, 201Hg, 202Hg, 204Hg |
| Atomic Radius | 155 pm | Ionic Radius | 112 (2+) pm |
| Electronegativity (Pauling) | 2 | Ionization Energy (1st) | 1007 kJ mol-1 |
| Ionization Energy (2nd) | 1810 kJ mol-1 | Ionization Energy (3rd) | 3300 kJ mol-1 |
| Molar Heat Capacity | 28 J K-1mol-1 | Standard Molar Entropy | 75.8 J K-1mol-1 |
| Enthalpy of Fusion | 2.331 kJ mol-1 | Enthalpy of Vapourization | 59.15 kJ mol-1 |