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 | Here is a free sample preview of the paper | Magnesium
          Beginning of paper is one of the alkaline-earth metals of main group IIa in the
periodic table.  is a grayish-white metal.  Normally  is
covered with a layer of oxide, MgO, that protects  from air and
water.  is an important element for plant and animal life.
Chlorophylls depend greatly on it.Sir Humphrey Davy discovered magnesium in
1775 at England.  It was dicove ....
          Middle of paper
 ....  Colour: silvery white
        Density of solid at ambient temperature/kg m-3: 1738
        Molar volume/cm3: 14.00
Table on isotopes:
  Nominal mass             Accurate mass%               natural abundance
     24Mg                  23.9850423 (8)                   78.99 (3)
     25Mg                  24.9858374 (8)                   10.00 (1....
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