Sr

STRONTIUM

Definition From 'strontian', scottland. it has reverse effect of calciumin the body since theradioactive is 90 can cause cancer.

Discovery 1790 by sir davy of britain.

Uses fireworks, glass for colored TV

Group of Elements Alkaline earth metals(Solid)

Atomic Weight 87.62

Oxidation State +2

Melting Point 839

Boiling Point 1384

Density 2.6 g/cm3

Electronegativity 1.0