Symbol : Ba

Atomic number: 56

Atomic mass : 137

Protons: 56

Nuetrons:56

Electrons: 81

Melting point: 727°C or 1341°F

Boiling point: 1897°C or 3447°F

Freezing point:727°C or 1341°F

Density: 3.62

Electronegravity:0.89 (Pauling)

How was Barium named?
Barium was first isolated by Sir Humphrey Davy. He was an English Chemist in the 1800's. Barium comes from the Greek word "heavy" or barys, Davy added the "ium" to name the heavy element, Barium.

By: Jamie Castro