Calculate the number of electrons, protons and neutrons in (i) Phosphorus (P) atom (ii)
phosphate ion. `(PO_(4)^(3-))`
Mass numbers : `P=31, O=16`
Atomic numbers : `P = 15, O=8`

Explanation

To solve the problem, we will calculate the number of electrons, protons, and neutrons for both the Phosphorus (P) atom and the phosphate ion (PO₄³⁻).

### Part (i): Phosphorus (P) Atom

1. **Identify the Atomic Number and Mass Number**:
- The atomic number (Z) of Phosphorus (P) is given as 15. This means that:
- Number of Protons (P) = Atomic Number = 15
- The mass number (A) of Phosphorus is given as 31.
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