Nitrogen vs Curium

PropertyN NitrogenCm Curium
Atomic number796
SymbolNCm
NameNitrogenCurium
Categorynonmetalactinide
Standard Atomic Weight14.006855 u247 u
Period27
Group15N/A
Blockss
Phase at STPgassolid
Electron configuration2s2.2p3[Rn]7s25f76d1
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5][3, 4, 5, 6]
Electronegativity (Pauling)3.041.3
Electron affinity-0.07 eV0.277 eV
Density1.2506 kg/m³1.351000e+4 kg/m³
Melting point-210 °C1344.85 °C
Boiling point-195.79 °C3126.85 °C
Discovery year17721944