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Magnesium oxide: Difference between revisions
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Magnesium oxide is a powdery, crystalline solid.<ref> [http://medical-dictionary.thefreedictionary.com/magnesium+oxide magnesium oxide] ''The Free Dictionary''. Web. Accessed on December 24, 2014. Author unknown.</ref><ref name=webelements>Winter, Mark. [https://www.webelements.com/compounds/magnesium/magnesium_oxide.html Magnesium: magnesium oxide] ''WebElements''. Web. Accessed on December 24, 2014.</ref> It is white in color. This compound melts at a relatively high temperature of about 2830 degrees Celsius and boils at 3600 degrees Celsius.<ref name=webelements/><ref name=rsc>Cotton, Simon. [http://www.rsc.org/chemistryworld/2014/08/magnesium-oxide-mgo-podcast Magnesium oxide] ''Royal Society of Chemistry''. Web. Published on August 13, 2014.</ref> It has a density of 3.58 g/cubic cm.<ref> [http://fearschemistry.wikidot.com/magnesium-oxide Magnesium Oxide ] ''Wikidot''. Web. Last updated on January 30, 2008. Author unknown.</ref>Magnesium oxide is considered to be a good thermal conductor. It also can typically resist corrosion.<ref name=magnesiumoxide/> | Magnesium oxide is a powdery, crystalline solid.<ref> [http://medical-dictionary.thefreedictionary.com/magnesium+oxide magnesium oxide] ''The Free Dictionary''. Web. Accessed on December 24, 2014. Author unknown.</ref><ref name=webelements>Winter, Mark. [https://www.webelements.com/compounds/magnesium/magnesium_oxide.html Magnesium: magnesium oxide] ''WebElements''. Web. Accessed on December 24, 2014.</ref> It is white in color. This compound melts at a relatively high temperature of about 2830 degrees Celsius and boils at 3600 degrees Celsius.<ref name=webelements/><ref name=rsc>Cotton, Simon. [http://www.rsc.org/chemistryworld/2014/08/magnesium-oxide-mgo-podcast Magnesium oxide] ''Royal Society of Chemistry''. Web. Published on August 13, 2014.</ref> It has a density of 3.58 g/cubic cm.<ref> [http://fearschemistry.wikidot.com/magnesium-oxide Magnesium Oxide ] ''Wikidot''. Web. Last updated on January 30, 2008. Author unknown.</ref>Magnesium oxide is considered to be a good thermal conductor. It also can typically resist corrosion.<ref name=magnesiumoxide/> | ||
Because magnesium oxide is hydroscopic, it possesses the ability to absorb moisture from the atmosphere, forming magnesium hydroxide.<ref> [http://www.ehow.com/facts_5910770_magnesium-oxide.html Magnesium Oxide Facts ] ''eHow''. Web. Accessed on December 27, 2014. Author unknown.</ref> Magnesium oxide consists of a magnesium atom and an oxygen atom joined together by an ionic bond. | Because magnesium oxide is hydroscopic, it possesses the ability to absorb moisture from the atmosphere, forming magnesium hydroxide.<ref name=eHow> [http://www.ehow.com/facts_5910770_magnesium-oxide.html Magnesium Oxide Facts ] ''eHow''. Web. Accessed on December 27, 2014. Author unknown.</ref> Magnesium oxide consists of a magnesium atom and an oxygen atom joined together by an ionic bond. | ||
<ref name=magnesiumoxide> [http://magnesium-oxide.net/magnesium-oxide-overview/ Magnesium Oxide Overview] ''Magnesium Oxide.net''. Web. Accessed on December 30, 2014. Author unknown.</ref> Due to the strong ionic bonds that hold it, this compound has a very low solubility of 0.0086 grams per 100 milliliters of water. Like other metal oxides, magnesium oxide is a base, with a high pH of 10.3.<ref name=rsc/><ref name=livestrong>Hinkson, N.C. [http://www.livestrong.com/article/500557-the-physical-properties-of-magnesium-oxide/ The Physical Properties of Magnesium Oxide] ''Livestrong.com''. Web. Last updated on July 24, 2011.</ref> Magnesium oxide is not a particularly dangerous substance and is noncombustible, although it can irritate the eyes or nose.<ref name=livestrong/> | <ref name=magnesiumoxide> [http://magnesium-oxide.net/magnesium-oxide-overview/ Magnesium Oxide Overview] ''Magnesium Oxide.net''. Web. Accessed on December 30, 2014. Author unknown.</ref> Due to the strong ionic bonds that hold it, this compound has a very low solubility of 0.0086 grams per 100 milliliters of water. Like other metal oxides, magnesium oxide is a base, with a high pH of 10.3.<ref name=rsc/><ref name=livestrong>Hinkson, N.C. [http://www.livestrong.com/article/500557-the-physical-properties-of-magnesium-oxide/ The Physical Properties of Magnesium Oxide] ''Livestrong.com''. Web. Last updated on July 24, 2011.</ref> Magnesium oxide is not a particularly dangerous substance and is noncombustible, although it can irritate the eyes or nose.<ref name=livestrong/> | ||
