56 Ba 137.33

Barium

Category: Alkaline earth metal | State: Solid

Atomic Properties

Atomic Number 56
Atomic Mass 137.33
Electronic Configuration [Xe] 6s²

Periodic Table Placement

Group 2
Period 6
Block s-block

Physical Properties & Discovery

Melting Point 727°C
Boiling Point 1897°C
Density 3.62 g/cm³
Discovered By Humphry Davy (1808)

Frequently Asked Questions about Barium