Which of the following is isotonic to ⁷⁶X₃₂?

University of Ilorin CHM101 2025B past question

1. ⁷⁷Y₃₂
2. ⁷⁸Z₃₄
3. ⁷⁷A₃₅
4. ⁷⁸W₃₃

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