Niobium vs Livermorium

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PropertyNb NiobiumLv Livermorium
Atomic number41116
SymbolNbLv
NameNiobiumLivermorium
Categorytransition-metalpost-transition-metal
Standard Atomic Weight92.90637 u293 u
Period57
Group516
Blocksp
Phase at STPsolidsolid
Electron configuration[Kr]5s14d4[Rn] 7s2 7p4 5f14 6d10(predicted)
Oxidation states[-3, -1, 0, 1, 2, 3, 4, 5][-2, 2, 4]
Electronegativity (Pauling)1.6N/A
Electron affinity0.893 eV0.7 eV
Density8570 kg/m³1.290000e+4 kg/m³
Melting point2476.85 °C506.85 °C
Boiling point4743.85 °C861.85 °C
Discovery year18012000