the chemical symbol for phosphorus is p
chemical_symbol_for_phosphorous is p. phosphorus is pnictogen. phosphorus_pentoxide is chemical_compound. phosphorus_pentoxide is not chemical_compound. phosphorus is chemical_element. phosphorus_ion is phosphorus_atom. one_of_chemical_elements is phosphorus. chemical_symbol_for_lead is pb. phosphorus is not chemical_element. chemical_symbol_for_phosphorous is not p.