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JEE Main 2024 Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main 2024

The statement (s) that are correct about the species O, F, Na and Mg. (A) All are isoelectronic (B) All have the same nuclear charge (C) O has the largest ionic radii (D) Mg has the smallest ionic radii Choose the most appropriate answer from the options given below:

Answer: (D)

Solution

All have 10 electrons, but nuclear charges are 8, 9, 11 and 12; the

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Question ID VK-011522