Lithium (Li)
Atomic number
3
Mass number
7
Electronegativity
0.98
Covalent radius
1.23
Atomic radius
2.05
Melting point
453.7
Boiling point
1615.0
Density
0.53
Specific heat
3.6
Electrical conductivity
0.108e6
Thermal conductivity
0.847