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