Phosphorus is a solid chemical element with symbol P and atomic number 15. As an element, 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.
The atomic number of Phosphorus is 15, while the atomic mass is 31. It has 15 protons, 15 electrons, and 16 neutrons.
Phosphorus is a solid, non-metal element that was discovered by Hennig Brand in 1669 in Germany.
This is an example of red phosphorus.
Phosphorus is a vital plant nutrient and its main use is in the production of fertilizers. Just as there are biological carbon and nitrogen cycles, there is also a phosphorus cycle. Phosphorus is used in the manufacture of safety matches and incendiary shells.
Red phosphorus on the end of a match.
It was discovered by extracting from buckets of urine.
It is sometimes referred to as the "Devil's Element," because it was the thirteenth element discovered and because of its explosive properties.