Atomic number 114
Flerovium
Post-transition metal
No photo: here’s why
Flerovium is a synthetic element made only in vanishingly small, intensely radioactive amounts - its atoms decay so quickly that no piece big enough to see or photograph has ever existed.
Quick facts
- Atomic mass
- 289.00
- Group
- 14
- Period
- 7
- State (STP)
- unknown
- Electronegativity
- –
- Common ox. states
- +2, +4
Properties
[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p²
- Ionization energy
- –
- Electron affinity
- –
- Melting point
- –
- Boiling point
- –
How dangerous is it?
Scientists predict this synthetic element may be unusually volatile, almost like a noble gas, though only a few atoms have ever been made and they decay in moments.
- RadioactiveImmediate
Each atom is fiercely radioactive while it lasts, yet it decays before any real quantity can form.
Studied only inside accelerator labs by remote, shielded instruments.
How it bonds· family overview
Flerovium (Fl) is a synthetic super-heavy p-block element. Group trends predict post-transition-metal behavior (a small set of low oxidation states, soft metallic character), but only a handful of atoms have ever existed.

