Phosphorus (P)

Phosphorus (P)

Atomic Number: 15
Atomic Weight: 30.97
Melting Point: 44.1 (white)
Boiling Point: 280 (white)
Specific Gravity: 1.82 (white) 2.20 (red) 2.25-2.69 (black)
Valence(s): 3 or 5

Brand discovered Phosphorus in 1669. Apatite is an important Phosphorus mineral. This Element exists in white, red, and black forms. Phosphorus is essential in DNA, RNA, and other organic compounds. Phosphorus and its compounds are used in various products such as matches and fertilizers. [LM] {RW}