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Magnesium

__ Name and Symbol of Element __ - Magnesium (MG) __ Boiling point __ – 1363.15 K __ Melting point __ – 923.15 K __ Density __ – 1738 __ Protons __ – 12 __ Neutrons __ – 12 __ Electrons __ - 12 __ Atomic Mass __ – 24.30 __ Atomic number __ – 12 __ Electron Configuration and orbital notation __ - // 1s 2 2s 2 2p 6 3s 2 //, [Ne]3s  2 2 in the 1st, 8 in the 2nd, and 2 in the 3rd. __ Number of valence electrons __ – 2 __ How, when, and who discovered __ – Joseph Black in 1775, how is unknown. __ Where and How produced, processed, or mined __ – How-commercially produced by electrolysis of molten magnesium chloride. Where- in the seas or watered areas. __ Chemical properties __ – Silvery white metal, surface is covered with a thin layer of oxide that helps protect the metal from attack by air. __ Physical properties __ – Shiny, silver or gray colored metal that is light in weight and strong. __ Minerals, compounds, or ores in which found __ – Found in over 60 minerals, compounds- hydrides, Fluorides, Chlorides, etc. __ Two common chemical reactions __ – With Water and Air __ Industrial or commercial uses __ – Used in Flares, incendiary bombs, flash photography, aircraft, and car engines. __ Cost or Value __ – $3.7 per 100g __ Unusual facts __ – The word magnesium originates from Magnesia, an area in Greece, not free in nature, and used in fireworks.

[] 1993-2011 Mark Winter [] CRC Handbook of Chemistry and Physics, CRC Press, 92nd Edition, 2011. G. W. C. Kaye and T. H. Laby Tables of Physical and Chemical Constants, Longman, 16th Edition, 1995. [] Maintained by: Steve Gagno
 * [[image:http://www.webelements.com/_media/elements/kossel_diagrams/Mg.jpg caption="Kossel shell structure of Mg"]] ||
 * Kossel shell structure of Mg ||