Intensely radioactive: a gram of polonium-210 emits enough alpha particles to glow blue and self-heat to 500 degrees C.
- Atomic number
- 84
- Atomic mass
- 209 u
- Phase
- Solid
- Electron configuration
- [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁴
- Melting point
- 527 K · 253.9 °C
- Boiling point
- 1,235 K · 961.9 °C
- Density
- 9.196 g/cm³
- Electronegativity
- 2
- Period / Group
- 6 / 16
- Discovery year
- 1898