114 Fl 289
Flerovium
post-transition metal
Properties
- Atomic number
- 114
- Atomic mass
- 289 u
- Category
- post-transition metal
- Group
- 14
- Period
- 7
- Block
- p-block
- State (room temp)
- Solid
- Outer-shell electrons
- 4
- Electronegativity
- —
- Density
- 14 g/cm³
- Melting point
- 66.85 °C
- Boiling point
- 146.85 °C
Electron configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d¹⁰ 7p²
Noble-gas shorthand: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p²
Electrons per shell: 2, 8, 18, 32, 32, 18, 4 — that's 4 in the outermost shell.
About Flerovium
Flerovium is a superheavy artificial chemical element with symbol Fl and atomic number 114. It is an extremely radioactive synthetic element. The element is named after the Flerov Laboratory of Nuclear Reactions of the Joint Institute for Nuclear Research in Dubna, Russia, where the element was discovered in 1998.
- Discovered by Joint Institute for Nuclear Research
Position in the periodic table
Data compiled from Wikipedia, PubChem, and IUPAC. Source.