114Fl289.000
Post-Transition Metalp-blockRadioactive
Flerovium
Element 114 on the periodic table, symbol Fl, group 14, period 7.
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.
Properties
- Atomic Number
- 114
- Atomic Mass
- 289.0000 u
- Group
- 14
- Period
- 7
- Block
- p-block
- Category
- Post-Transition Metal
- State at 25 °C
- Solid
- Melting Point
- 340 K · 66.9 °C
- Boiling Point
- 420 K · 146.9 °C
- Density
- 14 g/cm³
- Atomic Radius
- Not measured
- Electronegativity
- Not measured
- Oxidation States
- None commonly seen
- Abundance in Crust
- Vanishingly rare
- Discovered
- 1998
- Discovered By
- Joint Institute for Nuclear Research
Electron Configuration
*[Rn] 5f14 6d10 7s2 7p2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d10 7p2
Elements near Flerovium
Elements in the same group share the number of outer electrons and behave in similar ways. Elements in the same period share a shell, so they change steadily from left to right.