Scandium (Sc)
Atomic number
21
Mass number
45
Electronegativity
1.36
Covalent radius
1.44
Atomic radius
2.09
Melting point
1812.0
Boiling point
3104.0
Density
3.0
Specific heat
0.6
Electrical conductivity
0.0177e6
Thermal conductivity
0.158