Symbol | Fl |
Atomic number | 114 |
Group | 14 (Carbon group) |
Period | 7 |
Block | p |
Classification | Post-Transition Metal |
Appearance | - |
Color | - |
Number of protons | 114 p+ |
Number of neutrons | 175 n0 |
Number of electrons | 114 e- |
Phase at STP | Solid |
Density | 14 g/cm3 |
Atomic weight | 289 u |
Melting point | 340 K 66.85 °C 152.33 °F |
Boiling point | 420 K 146.85 °C 296.33 °F |
Heat of vaporization | - |
Electronegativity (Pauling Scale) | - |
Electron affinity | - |
Oxidation states | (0), (+1), (+2), (+4), (+6) (predicted) |
Ionization energies |
|
Discovery | Joint Institute for Nuclear Research, Lawrence Livermore National Laboratory (1998) |
Discovery of flerovium Flerovium 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. The lab's name, in turn, honours Russian physicist Georgy Flyorov (Флёров in Cyrillic, hence the transliteration of "yo" to "e"). IUPAC adopted the name on 30 May 2012. The name and symbol had previously been proposed for element 102 (nobelium), but was not accepted by IUPAC at that time. |
CAS Number | 54085-16-4 |
ChemSpider ID | - |
EC number | - |
PubChem CID Number | - |