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Chemical element: Polonium (Po)
| Atomic Number: | 84 |
| Element Symbol: | Po |
| Element Name: | Polonium |
| Atomic Weight: | 209 |
| Group Number: | 16 |
| Group Name: | Chalcogen |
| Period Number: | 6 |
| Block: | p-block |
| Ground State Configuration: | [Xe] 4f14 5d10 6s2 6p4 |
| Ground State Level: | 3P2 |
| Standard State: | Solid |
| Common Valences: | 2,3,4,6 |
| Bond Length: | 334.5 |
| Atomic Radius Empirical: | 190 |
| Atomic Radius Calculated: | 135 |
| Electron Affinity: | 183.3 |
| First Ionization Energy: | 812.1 |
| Pauling Electronegativity: | 2.0 |
| Allred Rochow Electronegativity: | 1.76 |
| Mulliken Jaffe Electronegativity: | 2.48 |
| Density Of Solid: | 9196 |
| Molar Volume: | 22.97 |
| Electrical Resistivity: | 43 |
| Melting Point: | 254 |
| Boiling Point: | 962 |
| Enthalpy Of Fusion: | about 13 |
| Enthalpy Of Vaporization: | about 100 |
| Enthalpy Of Atmization: | 142 |
| Most Common Oxidation Numbers: | 4,2,-2 |
| Color: | Silvery |
| Classification: | Metallic |
| Discovered By: | Marie Curie |
| Discovered At: | France |
| Discovered When: | 1898 |
| Origin Of Name: | Named after Poland (birthplace of Marie Curie) |
Calculate the molecular weight of Polonium or molecular weight Po.
Also see the full list of chemical elements and atomic weights.
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