Atomic Properties
- Atomic Number
- 84
- Atomic Mass
- 209.0000 u
- Electron Configuration
- [Xe] 4f14 5d10 6s2 6p4
- Electronegativity
- 2.00
- Block
- p-block
- Group
- 16
- Period
- 6
Physical Properties
- Phase (STP)
- solid
- Melting Point
- 527.00 K
- Boiling Point
- 1235.00 K
- Density
- 9.1960 g/cm³
About Polonium
Highly radioactive; discovered by Marie Curie; used in nuclear batteries.
Isotopes of Polonium
Polonium has 0 naturally occurring isotopes, plus 2 notable radioactive isotopes.
| Isotope | Mass Number | Atomic Mass (u) | Abundance | Type |
|---|---|---|---|---|
| 209Po | 209 | 208.9824308 | — | Radioactive |
| 210Po | 210 | 209.9828741 | — | Radioactive |
Data source: NIH PubChem (aggregated from IUPAC, NIST)