Manganese

=**Manganese **= = = **Atomic Number:** 25 **Atomic Mass:** 54.9380
 * Symbol: **Mn

**Protons:** 25 **Neutrons:** 30 **Electrons:** 25

**Melting Point:** 1246°C **Boiling Point:** 2061°C **Density:** 7.3g/cm3 **State of matter:** Solid at room temperature

Mn, Manganese comes from the Greek word "magnes" and was first found in Magnesia, modern day Greece. Though it was not proposed as an Element until 1774 in by Carl Wilhelm Scheele, then discovered by Johan Gottlieb Gahn later that year. **Location and Abundance **: <span style="font-family: 'Times New Roman',Times,serif; font-size: 130%;">Mn is found in the land and water at rates of .002mg/L in the water and 950mg/kg making up .14% of the Earth's crust. <span style="font-family: 'Times New Roman',Times,serif; font-size: 130%;">In 1803 Manganese nodules containing 24% manganese (mixed with copper and nickel) were found on the ocean floor and these nodules are now collected to harvest their manganese.
 * <span style="font-family: 'Times New Roman',Times,serif; font-size: 150%;">Origin Of the Symbol & Name: **




 * <span style="font-family: 'Times New Roman',Times,serif; font-size: 150%;">Uses: **
 * <span style="font-family: 'Times New Roman',Times,serif; font-size: 130%;">Decolorizes geen glass
 * <span style="font-family: 'Times New Roman',Times,serif; font-size: 130%;">Essential to plants
 * <span style="font-family: 'Times New Roman',Times,serif; font-size: 130%;"><span style="font-family: 'Times New Roman',Times,serif; font-size: 130%;">I t makes steel aloy strong
 * <span style="font-family: 'Times New Roman',Times,serif; font-size: 130%;">Used in black paint


 * <span style="font-family: 'Times New Roman',Times,serif; font-size: 150%;">Facts: **


 * <span style="font-family: 'Times New Roman',Times,serif; font-size: 130%;">Pure Manganese costs $2,325/ton
 * <span style="font-family: 'Times New Roman',Times,serif; font-size: 130%;">Large amounts of manganese are considered toxic, but studys show manganese is important for absorbing vitamins and has other benifitial qualitys.
 * <span style="font-family: 'Times New Roman',Times,serif; font-size: 130%;">Manganese is not magnetic
 * <span style="font-family: 'Times New Roman',Times,serif; font-size: 130%;">Gives amber it's color[[image:http://farm4.static.flickr.com/3471/3379937633_6138408f13.jpg?v=0 width="320" height="197" align="right" caption="Manganese Carbonate"]]
 * <span style="font-family: 'Times New Roman',Times,serif; font-size: 130%;">Mn is very brittle
 * <span style="font-family: 'Times New Roman',Times,serif; font-size: 130%;">Manganese carbonate is pink or red

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Resorces: []