Gadolinium (Gd)
Atomic number
64
Mass number
157
Electronegativity
1.20
Covalent radius
1.61
Atomic radius
2.54
Melting point
1585
Boiling point
3539
Density
7.895
Specific heat
0.23
Electrical conductivity
0.00736e6
Thermal conductivity
0.106