- Atomic Radius (Å)
Lithium (from Greek:λίθος lithos, "stone") is a chemical element with the symbol Li and atomic number 3. It is a soft, silver-white metal belonging to the alkali metal group of chemical elements. Under standard conditions it is the lightest metal and the least dense solid element.
3 Atomic Number
6.94 u Atomic Mass
453.85 K Melting Point
1615 K Boiling Point
0.53 g/cm³ Density
2.1 Å Atomic Radius
1.28 Å Covalent Radius
0.98 Electronegativity
5.39 eV First Ionization Energy
59.63 Electron Affinity
2 Number of Shells
1 Electron Valency
2, 1 Electron Shell Occupations
3.58 J/g Specific Heat