One of the allotropes of phosphorus.
A compound ion formed when a phosphoric acid molecule releases a proton.
It is also used as a food additive, limescale and rust remover.
A compound formed as white smoke during the combustion of phosphorus.
Colourless liquid that gives off smoke in moist air.
The phosphorus cycle describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere.