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114Fl289.000
Flerovium
Post-Transition MetalFlerovium 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.
Phase: Solid
2, 8, 18, 32, 32, 18, 4
Physical Properties
Atomic Mass289 u
Density14 g/cm³
Melting Point340 K
Boiling Point420 K
Period7
PhaseSolid
Chemical Properties
Electron Configuration1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d10 7p2
Semantic Config*[Rn] 5f14 6d10 7s2 7p2
Shells2, 8, 18, 32, 32, 18, 4
Discovery
Discovered byJoint Institute for Nuclear Research