114 Fl
Unknown / predicted
Flerovium
Named after Georgy Flyorov.
Properties of Flerovium
- Atomic number (Z)
- 114
- Symbol
- Fl
- Atomic mass
- 289 g/mol
- Category
- Unknown / predicted
- Group
- 14
- Period
- 7
- Electron configuration
- [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p²
- Electronegativity (Pauling)
- —
- Atomic radius
- —
- First ionization energy
- 832 kJ/mol
- Melting point
- 340 K (66.9 °C)
- Boiling point
- 420 K (146.9 °C)
- Density
- 14 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Discovered in 1998