Zirconium (thing)

Zirconium
Symbol: Zr
Atomic Number: 40
Atomic Weight: 91.224
Boiling Point: 4682 K
Melting Point: 2128 K
Density at 300K: 6.51 g/cm³
Covalent radius: 1.45
Atomic radius: 2.16
Atomic volume: 14.10 cm³/mol
First ionization potental: 6.84 V
Specific heat capacity: 0.278 Jg^-1K^-1
Thermal conductivity: 22.7 Wm^-1K^-1
Electrical conductivity: 2.3 10⁶Ω^-1m^-1
Heat of fusion: 21 kJ/mol
Heat of vaporization: 590.5 kJ/mol
Electronegativity: 1.33 (Pauling's)

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