Phosphorus (P) – Element 15 of the periodic table
Phosphorus (symbol P) is element number 15 of the periodic table and belongs to the “Nonmetal” category. Its atomic mass is about 30.974, and its phase under standard conditions is Solid. This element sits in period 3 and group 15 of the periodic table, and its electrons are arranged in shells of 2, 8, 5. The short electron configuration of Phosphorus is [Ne] 3s² 3p³. Known uses of Phosphorus include Chemical fertilizers, Detergents and Matches.