Discovered by Joint Institute for Nuclear Research in
1999
Atomic Radius (Å)
Atomic Mass (u)
Covalent Radius (Å)
Electronegativity
Density (g/cm³)
Boiling Point (K)
Melting Point (K)
First Ionization Energy (eV)
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.
Shell
Electrons
Orbitals
1
2
2 in 1s
2
8
2 in 2s + 6 in 2p
3
18
2 in 3s + 6 in 3p + 10 in 3d
4
32
2 in 4s + 6 in 4p + 10 in 4d + 14 in 4f
5
32
2 in 5s + 6 in 5p + 10 in 5d + 14 in 5f
6
18
2 in 6s + 6 in 6p + 10 in 6d
7
4
2 in 7s + 2 in 7p
289 u
Atomic Mass
14 g/cm³
Density
7
Number of Shells
4
Electron Valency
114
Atomic Number
2, 8, 18, 32, 32, 18, 4
Electron Shell Occupations