Question

what is the name of the polyatomic ion? po₄⁻³ phosphate phosphite phosphide phosphorus oxide

Explanation:

• Phosphate: The polyatomic ion \(PO_{4}^{-3}\) is named phosphate. It is a common polyatomic ion in chemistry.
• Phosphite: The formula for phosphite is \(PO_{3}^{-3}\), not \(PO_{4}^{-3}\).
• Phosphide: Phosphide is \(P^{-3}\), a monatomic ion, not a polyatomic ion.
• Phosphorus oxide: This is a covalent compound, not an ion.

Answer:

phosphate