Protons=25+

Electron=25+

Neutrons=30-

Symbol=Mn

Atomic Number=25

Atomic Weight=54.938045 (5)

Group Number=7

Melting Point=1247 °C

Boiling Point=2061 °C

Silver/Gray Color

It is very active

Hard metal

Very Birtle

Very hard to melt

Easily Oxidized

Very reactive when pure

When it is powder it will burn in orygen

It reacts with water (rusts like iron)

Dissolves in dilute acids

(manganese dioxide) is used in dry cells, and can be used to decolorize glass that is polluted by trace amounts of iron. Manganese compounds can color glass an amethyst color, and are responsible for the color of true amethyst. Manganese dioxide is also used in the manufacture of oxygen and chlorine, and in drying black paints.

Discoverer=Johann G. Gahn

Discovery Location=Stockholm Sweden

Disconvery Year=1774

Use's: Steel,Batteries,axles,rail switches,safes,plows and ceremics