The name Phosphorus comes from the Greek: phôs (meaning "light") and phoros (meaning "bearer"). Due to its high reactivity, phosphorus is never found as a free element in nature on Earth.
Phosphorus is an excellent example of an element that exhibits allotropy means different properties in different structures. About 50 per cent of the global phosphorus reserves are in the Arab nations, rest in the China, Russia, Morocco, Florida.
Most Important application of Phosphorous is in the form of fertilizers, Detergents, Special gases for sodium lamps, plasticizers, pesticides, in steel production.
It plays an important role in DNA and RNA where it forms part of the structural framework of these molecules. An average adult human contains a little less than 1 kg of phosphorus, about 85% of which is present in bones and teeth in the form of apatite. Only about 0.1% of body phosphate circulates in the blood. It is a highly toxic agent.
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Phosphorus