114FlFlerovium289[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p²
unknown probably post-transition metal

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.

Electronic structure

A stylized shell model. Electrons are quantum objects, not particles following these literal paths. Sizes and motion are illustrative.

Electrons by shell
Electron configuration
5f14
6d10
7s2
7p2

86 is the [Rn] core total across six shells.

Properties

At a glance

Atomic number
114
Atomic mass
289 u
Phase
Solid
Density
14 g/cm³
Melting point
340 K
Boiling point
420 K
First ionization energy
Unavailable
Electronegativity
Unavailable
Electron affinity
Unavailable
Molar heat capacity
Unavailable
Period
7
Appearance
Unavailable

Conditions and isotopes affect measured properties. Some properties of short-lived elements are predicted. Electronegativity uses the Pauling scale.

Keep exploring

Explore the stories, imagery, and reference data in more depth. Properties with no value in the reference are marked unavailable.