Vanadium vs Californium

PropertyV VanadiumCf Californium
Atomic number2398
SymbolVCf
NameVanadiumCalifornium
Categorytransition-metalactinide
Standard Atomic Weight50.9415 u251 u
Period47
Group5N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Ar]4s23d3[Rn]7s25f10
Oxidation states[-3, -1, 0, 1, 2, 3, 4, 5][2, 3, 4, 5]
Electronegativity (Pauling)1.631.3
Electron affinity0.525 eV-0.5 eV
Density6000 kg/m³1.510000e+4 kg/m³
Melting point1909.85 °C899.85 °C
Boiling point3406.85 °C-273.15 °C
Discovery year18301950