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PHOSPHORUS BELONGS TO 15th GROUP AND 3rd PERIOD.
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Phosphorus is a non-metal that sits just below nitrogen in group 15 of the periodic table. This element exists in several forms, of which white and red are the best known.
Allotropes: White P, Red P, Black P, P2
Discovery date: 1669
Origin of the name: The name is derived from the Greek 'phosphoros', meaning bring...
Discovered by: Hennig Brandt
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