Flerovium (Fl)

Flerovium is a chemical element with symbol Fl and atomic number 114. It is named after the Flerov Laboratory of Nuclear Reactions of the Joint Institute for Nuclear Research in Dubna, Russia. As a synthetic element, it can be created in a laboratory but is not found in nature.

Atomic Number

114

Atomic Mass

289 u

Category

unknown

Phase

Predicted solid

Density

~14.0 (predicted) g/cm³

Electron Shells

2, 8, 18, 32, 32, 18, 4

Atomic Structure

Protons: 114 • Electrons: 114 • Neutrons: Varies by isotope

Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d¹⁰ 7p²

Discovery

1999 • Yuri Oganessian, Ken Moody