Phosphorus

Andre Brown November 17, 2011 I Am the Element Phosphorus Mr. pressure group Academic Success Center I am the agent Phosphorus. My symbol is p. I am a multivalent nonmetallic of the nitrogen group. I am manage up in nature in several allotropic forms, and is an inborn portion for the life of organisms. Im on the midweekly table, my atomic 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 coloured eternal rest, which was left for a few months. The resi attributable was heated with sand, driving off alot of gases and oils which were condensed in water. The final uprise marrow to be driven off, condensing as a sporty solid, was me. This was a typically alchemical method - alchemists examined the properties of body fluids, hoping to mitigate understand living things in their searc h for the philosophers stone, which they believed offered the first moment 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 - lay out 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 desirely to be a light different. My white phosphorous is the one manufactured industrial, it glows in the dark, is ad lib! itum flammable when exposed to air and is deadly poison. cherry phosphorous can vary in color from orangish 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 effective essay, put in it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper