What is the formula for the phosphate ion?

Understand the Problem

The question is asking for the chemical formula that represents the phosphate ion, which is a common ion in chemistry.

Answer

PO4 3-

The formula for the phosphate ion is PO4 3-

Answer for screen readers

The formula for the phosphate ion is PO4 3-

More Information

The phosphate ion is a polyatomic ion with a chemical formula of PO4 3-. It is comprised of one phosphorus (P) atom and four oxygen (O) atoms, carrying an overall charge of -3.

Tips

A common mistake is to confuse the phosphate ion (PO4 3-) with the similar phosphate species like hydrogen phosphate (HPO4 2-) and dihydrogen phosphate (H2PO4-). Ensure you remember the specific charge and the number of oxygen atoms.

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