Web Results

en.wikipedia.org/wiki/Phosphorus

Phosphorus is a 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.

en.wikipedia.org/wiki/Phosphorus_cycle

The phosphorus cycle is the biogeochemical cycle that describes the movement of phosphorus ... usually solids at the typical ranges of temperature and pressure found on Earth. ... On land most phosphorus is found in rocks and minerals.

www.ducksters.com/science/chemistry/phosphorus.php

Phosphorus is a highly reactive element and, as a result, is never found on Earth as a free element. Elemental phosphorus comes in various allotropes (different ...

www.livescience.com/28932-phosphorus.html

Jan 5, 2015 ... Hennig Brand, a German, discovered phosphorus quite by accident in 1669 ... Earth may be approaching "peak phosphorus," after which the ...

www.lenntech.com/phosphorus-cycle.htm

Phosphorus can be found on earth in water, soil and sediments. Unlike the compounds of other matter cycles phosphorus cannot be found in air in the gaseous ...

www.sciencelearn.org.nz/resources/961-the-phosphorus-cycle

Jul 30, 2013 ... Phosphorus is a chemical element found on Earth in numerous compound forms, such as the phosphate ion (PO43-), located in water, soil and ...

blogs.ei.columbia.edu/2013/04/01/phosphorus-essential-to-life-are-we-running-out

Apr 1, 2013 ... Phosphorus, the 11th most common element on earth, is fundamental to ... Ninety percent of the phosphate rock reserves are located in just five ...

www.rsc.org/periodic-table/element/15/phosphorus

Discovery date, 1669. Discovered by, Hennig Brandt. Origin of the name, The name is derived from the Greek 'phosphoros', meaning bringer of light. Allotropes  ...

socratic.org/questions/what-is-the-largest-source-of-phosphorus-on-earth

May 17, 2016 ... The largest source of phosphorus on earth is found in sediments and rocks. The largest source or reservoir of phosphorus on earth is ...

www.sciencedaily.com/terms/phosphorus.htm

Phosphorus is commonly found in inorganic phosphate rocks and in all living cells. The most important commercial use of phosphorus is in the production of ...