Ba

BARIUM

Definition :from 'barys', heavy or dense. a highly reactive metal. it react vigorously with water and rapidly corroded by most air.

Discovery :1808 by sir davy of britain

Uses :rubber, paint, rat poison, x-ray

Group of Elements :Alkaline earth metals(Solid)

Atomic Weight :137.237

Oxidation State :+2

Melting Point :725

Boiling Point :1640

Density :3.5 g/cm3

Electronegativity :0.9