Mn

MANGANESE

Definition From 'magnes' or magnet.a brittle element used in making alloys.

Discovery 1774 by Johann gottlied Gahn of sweden

Uses dry cells, paint dryer

Group of Elements early transition metal(Solid)

Atomic Weight 54.93804

Oxidation State +2,3,4,7

Melting Point 1244

Boiling Point 1962

Density 7.3 g/cm3

Electronegativity 1.5