12 Mg Magnesium
Alkaline earth metal, mass: 24.305 u, 3 stable isotopes (24, 25, 26), abundance rank (earth/space): 8/7Click image to magnify. Ultrapure magnesium crystal from two sides. Original size in cm: 1 x 4
Magnesium is a very abundant, light and reactive element, which is essential to life. In nature, it is found in many minerals, like in talc. Elemental magnesium burns with a bright, white flame and a temperature of more than 3000 K. This once was used as flashlight for photography and is still used in underwater torches.
Left: Magnesium swarf in a glass jar, 1 gram, jar diameter 4 cm.
Right: Chlorophyll gives the green color to plants. These complex molecules allow photosynthesis. In their center is a Mg2+ ion.
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Page last changed on March 05. 2016
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