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, which is 4 in the outermost shell.

Related: electron configuration, the Bohr model, valence electrons.

Fl
Bohr model; outer-shell electrons in blue

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.

Flerovium: frequently asked questions

What is Flerovium?
Flerovium (Fl) is the chemical element with atomic number 114. It is a metal: specifically a post-transition metal.
What is the atomic number of Flerovium?
Flerovium's atomic number is 114, which means every Flerovium atom has 114 protons in its nucleus.
What is the electron configuration of Flerovium?
The electron configuration of Flerovium is 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). Its electrons are arranged in shells of 2, 8, 18, 32, 32, 18, 4, with 4 in the outermost shell.
Is Flerovium a metal or a nonmetal?
Flerovium is a metal: specifically a post-transition metal.
What group and period is Flerovium in?
Flerovium is in group 14 and period 7 of the periodic table.
Is Flerovium a solid, liquid, or gas?
At room temperature, Flerovium is a solid.

Position in the periodic table

Open the interactive periodic table →

Data compiled from Wikipedia, PubChem, and IUPAC. Source.