Barium

Barium is a chemical element with symbol Ba and atomic number 56. It is the fifth element in Group 2, a soft silvery metallic alkaline earth metal. Because of its high chemical reactivity barium is never found in nature as a free element.

Properties

• Phase: Solid
• Density: 3.51 g/cm³
• Melting Point: 1000 K
• Boiling Point: 2118 K

Uses