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Flerovium Fl (Element 114) of periodic table

Flerovium Fl (Element 114) of periodic table

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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