Niobium vs Moscovium

← Back to Periodic Table
PropertyNb NiobiumMc Moscovium
Atomic number41115
SymbolNbMc
NameNiobiumMoscovium
Categorytransition-metalpost-transition-metal
Standard Atomic Weight92.90637 u289 u
Period57
Group515
Blocksp
Phase at STPsolidsolid
Electron configuration[Kr]5s14d4[Rn] 7s2 7p3 5f14 6d10(predicted)
Oxidation states[-3, -1, 0, 1, 2, 3, 4, 5][1, 3]
Electronegativity (Pauling)1.6N/A
Electron affinity0.893 eV0.3 eV
Density8570 kg/m³1.350000e+4 kg/m³
Melting point2476.85 °C396.85 °C
Boiling point4743.85 °C1126.85 °C
Discovery year18012004