Phosphorus

=Phosphorus= By: Neha


 * Atomic Number:** 15


 * Protons:** 15


 * Electrons:** 15


 * Neutrons:** 16


 * Average Atomic Mass:** 30.97376


 * Discovery:** The element was discovered by a German merchant/physician named Henning Brand. Brand found it while filtering 60 buckets of urine. The element was discovered in 1669.


 * Name:** The word phosphorus comes from a Greek word, Phosphorus, which means "light bearing" or "bringing light." It is named this because white phosphorus can glow in the dark.


 * Uses:** There are different kinds of phosphorus. Phosphoric acid is used in fertilizers and soft drinks. Tri-sodium phosphate is used as detergent. Calcium phosphate is used in baking soda. There are also other kinds of phosphorus like white, red, and black phosphorus. Red phosphorus is used in safety matches.

With aging of time white phosphorus turns into red phosphorus. After Calcium, Phosphorus is the second most abundant element found in the human body. About 1 pound of your body is made of phosphorus. 85 percent of that 1 pound, is found in your teeth and bones.
 * Interesting Facts**: Some parts of phosphorus glow in the dark. Different kinds of phosphorus have different reactions. White Phosphorus is very reactive. Because of this, white phosphorus is stored under water, because it can burn and can act very vigorously. Red phosphorus is less reactive than white phosphorus. Black phosphorus is the least reactive form of phosphorus.

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 * Video:**


 * Sources**
 * Photo: [|Phosphorus picture]
 * Video: [|Video of Phosphorus]
 * www.chemicalelements.com/elements/p.html
 * education.jlab.org/itselemental/ele015.html
 * [|www.nndc.bnl.gov/content/elements.html]
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 * http://en.wikipedia.org/wiki/Phosphorus#Spelling_and_etymology