The Journey of The sperm and the ovum

Topics: Magnesium, Calcium, Periodic table Pages: 2 (563 words) Published: December 7, 2013
Magnesium

General Information of The Element
Magnesium is the twelfth element on the periodic table. The atomic number is 12, and its atomic mass is 24.305. Magnesium’s boiling point is at 1090C or 1994F, and its melting point is at 650C or 1202F.Its state of matter is solid. It is located in the second group called the alkaline earth metals. Magnesium is found in seawater, salty layers and in many rock minerals. IT could be used as metal. It’s the third most abundant structural metal in the earth’s crust, only exceeded in aluminum and iron.Magnesium readily ignites upon heating in air and burns with a dazzling white flame. To extinguish the flame water should not be used. Alkaline earth metal salts in general, are less soluble in water than the corresponding alkali metal salts. Some are even so insoluble that they resist weathering and leahcing action in rainwater. Its common oxidation states is 2. Magnesium forms many compounds. The oxide, hydroxide, chloride, carbonate, and sulfate are commercially important. They are used in ceramics, cosmetics, fertilizers, insulation, leather tanning, and textile processing.

Common Uses
. The coating protects the metal, particularly magnesium, from further oxidation. This allows alloys of these metals to be used as low density structural materials. It has many uses. Magnesium is an important material that is a chief component in a number of high tensile strength, low density alloy. These properties allow the alloy to be very valuable in air and spacecraft construction. Also, the alloyed metal is used to make a large variety of other products, such as, artificial limbs instruments, recreational skis, wheel barrows, lawn mowers, and outdoor furniture. Magnesium is also found in asbestos. Asbestos was used in insulating materials up until it was found to cause cancer and other types of lung diseases. It is as important as calcium, and is found in bones, blood and soft tissues. Magnesium is essential for...
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