Beryllium vs Livermorium

PropertyBe BerylliumLv Livermorium
Atomic number4116
SymbolBeLv
NameBerylliumLivermorium
Categoryalkaline-earth-metalpost-transition-metal
Standard Atomic Weight9.012183 u293 u
Period27
Group216
Blocksp
Phase at STPsolidsolid
Electron configuration[He]2s2[Rn] 7s2 7p4 5f14 6d10(predicted)
Oxidation states[0, 1, 2][-2, 2, 4]
Electronegativity (Pauling)1.57N/A
Electron affinity-0.52 eV0.7 eV
Density1850 kg/m³1.290000e+4 kg/m³
Melting point1286.85 °C506.85 °C
Boiling point2470.85 °C861.85 °C
Discovery year17972000