Zirconium (Zr)
Atomic number
40
Mass number
91
Electronegativity
1.33
Covalent radius
1.45
Atomic radius
2.16
Melting point
2125.0
Boiling point
4682.0
Density
6.4
Specific heat
0.27
Electrical conductivity
0.0236e6
Thermal conductivity
0.227