A superheavy element whose chemistry, tested one atom at a time, behaves as predicted for group 7.
- Atomic number
- 107
- Atomic mass
- [272] u
- Phase
- Unknown
- Electron configuration
- [Rn] 5f¹⁴ 6d⁵ 7s²
- Melting point
- —
- Boiling point
- —
- Density
- 37.1 g/cm³
- Electronegativity
- —
- Period / Group
- 7 / 7
- Discovery year
- 1981