Zirconium vs Seaborgium

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PropertyZr ZirconiumSg Seaborgium
Atomic number40106
SymbolZrSg
NameZirconiumSeaborgium
Categorytransition-metaltransition-metal
Standard Atomic Weight91.224 u271 u
Period57
Group46
Blockss
Phase at STPsolidN/A
Electron configuration[Kr]5s24d2[Rn]7s25f146d4
Oxidation states[1, 2, 3, 4][3, 4, 5, 6]
Electronegativity (Pauling)1.33N/A
Electron affinity0.426 eV0.85 eV
Density6520 kg/m³3.500000e+4 kg/m³
Melting point1854.85 °C-273.15 °C
Boiling point4408.85 °C-273.15 °C
Discovery year17891974