Yttrium (Y)
Atomic number
39
Mass number
89
Electronegativity
1.22
Covalent radius
1.62
Atomic radius
2.27
Melting point
1799.0
Boiling point
3611.0
Density
4.47
Specific heat
0.3
Electrical conductivity
0.0166e6
Thermal conductivity
0.172