If the number of electrons in an ion Z^3–is 10, the atomic number of element Z will be :(a) 7 (b) 5 (c) 10 (d) 8

Academic Chemistry NCERT Class 9

Correct Answer: (a) 7

Explanation: If the number of electrons in an ion Z^3– is 10, the atomic number of element Z will be 7 because the ion is formed by gaining three electrons.

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Updated on: 10-Oct-2022

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