Manganese

Element Name: Manganese


 * Element Symbol:** Mn


 * Atomic Mass:** 55[[image:Manganese_Tiffany.png width="216" height="288" align="right"]]


 * Atomic Number:** 25


 * Protons:** 25


 * Electrons:** 25


 * Discovery:** Johan Gottlieb Gahn, 1774


 * How It Was Named:** From the Latin word for magnet, magnes


 * State Of Matter:** Solid


 * Melting Point:** 1246°C


 * Boiling Point:** 2061°C


 * Characteristics:**


 * gray and white
 * hard and vey brittle
 * reacts chemically
 * decomposes in cold water


 * Uses Of Element:** It is a treatment for rust and corrosion prevention on steel.


 * Interesting Facts:**

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 * Cave paintings in Gargas contain Manganese as pigments
 * Manganese compounds were used by Egyptian and Roman glassmakers, to either remove color from glass or add color to glass