The number of electrons in an ion Y²⁺ is 10. The atomic number of element Y is most likely to be :(a) 8 (b) 12 (c) 10 (d) 14

Academic Chemistry NCERT Class 9

Correct Answer: (b) 12

Explanation: The number of electrons in an ion Y2+ is 10. The atomic number of element Y is 12.

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Updated on: 10-Oct-2022

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