Zirconium vs Tungsten

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PropertyZr ZirconiumW Tungsten
Atomic number4074
SymbolZrW
NameZirconiumTungsten
Categorytransition-metaltransition-metal
Standard Atomic Weight91.224 u183.84 u
Period56
Group46
Blockss
Phase at STPsolidsolid
Electron configuration[Kr]5s24d2[Xe]6s24f145d4
Oxidation states[1, 2, 3, 4][-4, -2, -1, 0, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)1.332.36
Electron affinity0.426 eV0.815 eV
Density6520 kg/m³1.930000e+4 kg/m³
Melting point1854.85 °C3421.85 °C
Boiling point4408.85 °C5554.85 °C
Discovery year17891781