| LITHIUM Metal ions often exhibit various colors when vaporized in a flame. This photo shows a flame test for lithium, which exhibits a red color. |
Atomic Number: 3
Atomic Weight: 6.941
Electron Configuration: 1s22s1
First Ionization Energy: 520 kJ/mol
Crystal Structure: Body-Centered Cubic
Density:0.53 g/cm3 Melting Point:180oC
Atomic Radius: 152 pm
Standard Reduction Potential: -3.05 V (Li+ + e-=Li)