Element | Polonium | Symbol | Po |
Atomic Number | 84 | Molar Mass | 210 gmol-1 |
Electron Configuration | [Xe]4f145d106s26p4 | Normal State | solid metalloid |
Density @STP | 9.4 g cm-3 | Melting Point | 254oC |
Boiling Point | 962oC | Stable Isotopes | none |
Atomic Radius | 167 pm | Ionic Radius | 65 (4+) pm |
Electronegativity (Pauling) | 2 | Ionization Energy (1st) | 812 kJ mol-1 |
Ionization Energy (2nd) | 1800 kJ mol-1 | Ionization Energy (3rd) | 2700 kJ mol-1 |
Molar Heat Capacity | J K-1mol-1 | Standard Molar Entropy | J K-1mol-1 |
Enthalpy of Fusion | 10 kJ mol-1 | Enthalpy of Vapourization | 100.8 kJ mol-1 |