What is Phosphonium?
[[File:Phosphonium-3D-balls.png|thumb|Phosphonium structure]] '''Phosphonium''' is an [[ion]]. It is rare. Its chemical formula is PH<sub>4</sub><sup>+</sup>. It is similar to [[ammonium]]. It is almost never found outside of an [[organic chemistry|organic]] compound. Its molar mass is 35.01 g/mol. {{chem-stub}} [[Category:Phosphorus compounds]] [[Category:Ions]]