Elements in the Human Body, Chemistry of You

18 November 2009 pukul 12:23 AM | Ditulis dalam materi | 2 Komentar
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99% of the mass of the human body is made up of only six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Every organic molecule contains carbon. Since 65-90% of each body cell consists of water (by weight), it isn’t surprising that oxygen and hydrogen are major components of the body.Here’s is a look at the major elements in the body and what these elements


Liquid oxygen is blue.Oxygen Photograph of graphite, one of the forms of elemental carbon.Carbon NGC 604, a region of ionized hydrogen in the Triangulum Galaxy.Hydrogen Image of solid, liquid, and gaseous nitrogen.Nitrogen
Calcium is a metal.Calcium Red phosphorus is one of several forms taken by this element.Phosphorus Chunk of potassium metal with peroxides/superoxides and ozonide on its surface.Potassium Sodium metal chunks under mineral oil.Sodium
Vial of chlorine gas.Chlorine Photograph of the element magnesium, with a penny to indicate size of the sample.Magnesium Crystals of the nonmetallic element sulfur.Sulfur

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