114 Fl (Flerovium)
Mass number – 289
Atomic weight – 287.1904 (g/mol)
Atomic number – 114
Electrons – 114
Protons – 114
Neutrons – 175
Group – 14
Period – 7
Block – P
Element category – Post-transition metal (Base Metal)
Electron Configuration – 1s22s22p63s23p63d104s24p64d105s25p64f145d106s26p65f146d107s27p2
Electrons per shell – K2, L8, M18, N32, O32, P18, Q4
Phase – Gas (Solid state at 20 oC)
Boiling point – ~210 K (~ -60 oC)
Density when liquid – 14 g/cm3
Heat of vaporization – 38 kJ/mol
Oxidation states – 0, 1, 2, 4, 6
Ionization energies – 1st: 823.9 kJ/mol, 2nd: 1601.6 kJ/mol, 3rd: 3367.3 kJ/mol
Atomic radius – empirical: 180 pm
Covalent radius – 171 – 177 pm
Appearance – Highly radioactive metal
CAS Number – 54085-16-4
Naming – After Flerov Laboratory of Nuclear Reactions
Discovery – Joint Institute For Nuclear Research and Lawrence Livermore National Laboratory (1998)
Isotopes – 290Fl 289Fl 288Fl 287Fl 286Fl 285Fl 284Fl
Uses – At present, it is only used in research
Natural Abundance – Flerovium can be formed in nuclear reactors.
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