Barium

First, swallow one dose of barium.

Beryllium, magnesium, calcium, strontium, barium and radium are alkaline earth metals.

Barium is a chemical element with the symbol Ba.

What color is barium?

What's barium used for?

Davy, a British chemist, isolated the pure elements barium, boron, calcium, magnesium, potassium, sodium and strontium, but we owe the discovery of metallic aluminium to Ørsted, a Danish physicist.