Lutetium (Lu)
Atomic number
71
Mass number
175
Electronegativity
1.27
Covalent radius
1.56
Atomic radius
2.25
Melting point
1936.0
Boiling point
3668.0
Density
9.85
Specific heat
0.15
Electrical conductivity
0.0185e6
Thermal conductivity
0.164