Red, yellow and black phosphorus have the same emperical formula P4.
Formula: PF2Cl
Formula: PF3
P4
PI5
PCl3 is the formula. This is the compound we know as phosphorus trichloride.
The chemical formula for phosphorus mononitride is PN.
The chemical symbol (not formula) of phosphorus is P.
The chemical formula for phosphorus mononitride is PN.
Formula: P4
Formula: PF2Cl
Formula: PF3
Formula: P4
Formula: PBr3
Formula: H3PO3
P
For sulphur its S and for phosphorus its P
Boron is B. Phosphorus is P.