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Phosphorus is a chemical element; it has symbol P and atomic number 15. Elemental phosphorus exists in two major forms, white phosphorus and red phosphorus, but because it is highly reactive, phosphorus is never found as a free element on Earth.
Table \(\PageIndex{2}\) lists the ion names and ion formulas of the most common polyatomic ions. For example, \(\ce{NO3^{−}}\) is the nitrate ion; it has one nitrogen atom and three oxygen atoms and an overall 1− charge.
21 Σεπ 2024 · About 550 different minerals have been found to contain phosphorus, but, of these, the principal source of phosphorus is the apatite series in which calcium ions exist along with phosphate ions and variable amounts of fluoride, chloride, or hydroxide ions, according to the formula [Ca 10 (PO 4) 6 (F, Cl, or OH) 2].
phosphorus. Formula:P. Molecular weight:30.973762. IUPAC Standard InChI:InChI=1S/PCopy. IUPAC Standard InChIKey:OAICVXFJPJFONN-UHFFFAOYSA-NCopy. CAS Registry Number:7723-14-0. Chemical structure: This structure is also available as a 2d Mol file. Other names:red phosphorus;Phosphorus atom.
Phosphorus (P) has an atomic mass of 15. Find out about its chemical and physical properties, states, energy, electrons, oxidation and more.
Phosphorus is the 15th element in the periodic table and has a symbol of P and atomic number of 15. It has an atomic weight of 30.97376 and a mass number of 31. Phosphorus has fifteen protons and sixteen neutrons in its nucleus, and fifteen electrons in three shells.
