Question

we already know that the symbol for aluminum is: al. what symbol would we use to represent phosphide? pb (lead) pu (plutonium) p (phosphorous) rewatch submit

Explanation:

Phosphide is related to phosphorus. In chemical nomenclature, the -ide suffix is often used for anions. Phosphorus has the chemical symbol P. Lead (Pb) and Plutonium (Pu) are different elements and not related to phosphide.

Answer:

P (Phosphorous)