P (Phosphorus) is a single atom of the element phosphorus. It exists as a solid in its elemental form and is uncharged.
PO₄³⁻ (Phosphate) is a polyatomic ion consisting of one phosphorus atom (P) and four oxygen atoms (O) bonded together. It carries a negative three charge (-3).
Here's a breakdown:
* Composition: P is a single element, while PO₄³⁻ is a complex ion composed of multiple elements.
* Charge: P is neutral, while PO₄³⁻ has a negative charge.
* Bonding: In PO₄³⁻, the phosphorus atom is covalently bonded to the four oxygen atoms, forming a tetrahedral structure.
In summary: P is a simple element, while PO₄³⁻ is a complex ion with a significantly different structure and charge.