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Cienna
Name: Magnesium
Symbol: Mg
Atomic Number: 12
Atomic Mass: 24.3050
Standard State: Solid
Group name: Alkaline earth metalexternal image Electron_shell_012_magnesium.png
Period in Periodic Table: 3
Color: silvery white
Classification: Metallic
Magnesium is the eight most abundant element in the in the earth's crust although not found in it's elemental form. Magnesium metal burns with a very bright light. The adult human requirement of magnesium is about 0.3 grams per day. Normally magnesium is coated with a layer of oxide, MgO, that protects magnesium from air and water. There are massive amounts of magnesium in seawater.