- 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
Atomic Mass (u)
453.85
Melting Point (K)
1615
Boiling Point (K)
0.53
Density (solid: g/cm³, gas: g/liter)
2.1
Atomic Radius (Å)
1.28
Covalent Radius (Å)
0.98
Electronegativity
5.39
First Ionization Energy (eV)
59.63
Electron Affinity
2
Number of Shells
1
Electron Valency
2, 1
Electron Shell Occupations
3.58
Specific Heat (J/g)