Cr

CHROMIUM

Definition From "chroma" or color. many precious stone owe their colors to chromium compounds

Discovery 1797 by louis nicholas vauquelin of france.

Uses videotape, stainless steel, molds

Group of Elements Early transition metals(Solid)

Atomic Weight 51.996

Oxidation State 1857

Melting Point 2672

Boiling Point 7.14

Density 7.14 g/cm3

Electronegativity 1.6