Technetium vs Nihonium

PropertyTc TechnetiumNh Nihonium
Atomic number43113
SymbolTcNh
NameTechnetiumNihonium
Categorytransition-metalpost-transition-metal
Standard Atomic Weight98 u286 u
Period57
Group713
Blocksp
Phase at STPsolidsolid
Electron configuration[Kr]5s24d5[Rn] 5f14 6d10 7s2 7p1(predicted)
Oxidation states[-3, -1, 1, 2, 3, 4, 5, 6, 7]N/A
Electronegativity (Pauling)1.9N/A
Electron affinity0.55 eV0.6 eV
Density1.100000e+4 kg/m³1.600000e+4 kg/m³
Melting point2156.85 °C426.85 °C
Boiling point4264.85 °C1156.85 °C
Discovery year19372004