Phosphorus

Andre Brown November 17, 2011 I Am the Element Phosphorus Mr. dorm Academic Success Center I am the broker Phosphorus. My symbol is p. I am a multivalent metalloid of the nitrogen group. I am receive up in nature in several allotropic forms, and is an inborn fragment for the life of organisms. Im on the midweekly table, my nuclear number is 15. I was discovered by Henning snitch in the year of 1669. Brand called me cold fire because I was luminous, I glowed in the dark. Brands manner is believed to call for consisted of evaporating urine to bestow a glum eternal rest, which was left for a few months. The resi due was heated with sand, driving off alot of gases and oils which were condensed in water. The final ivory marrow to be driven off, condensing as a sporty solid, was me. This was a typically alchemical method - alchemists examined the properties of soundbox fluids, hoping to mitigate understand living things in their search for the philosoph ers stone, which they believed offered the panorama of eternal life. Brands method became more widely known in 1737 when an alien person sold it to the Acadamy of Sciences in Paris.

I was produced by this method until the 1770s when Carl Wilhelm Scheele - the discoverer of chlorine and one of oxygens independent discoverers - put in that I could be prepared from bone. My melting point is 44,2degress. I have several forms of phosphoric, called white, red and black phosphorous, even though their alter are more standardisedly to be a light different. My white phosphorous is the one manufactured industrial, it gl ows in the dark, is ad libitum flammable whe! n exposed to air and is deadly poison. cherry-red phosphorous can vary in color from orange tree to purple, due to slight variations in its chemical structure. My third form, black phosphorous, is make under high pressure, looks like graphite and, like graphite, has the talent to conduct electricity. My red phosphorus, it is relatively stable, is used to make prophylactic matches, tracer bullets,...If you want to get a practiced essay, put in it on our website: OrderCustomPaper.com

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