JEE CHEMISTRY MCQ: STRUCTURE OF ATOM

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The nucleus of the element having atomic number 25 and atomic weight 55 will contain

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Correct option: A

25 protons and 30 neutrons

Option A (25 protons and 30 neutrons) is correct because the number of protons equals the atomic number, and the number of neutrons is the difference between the atomic weight and the atomic number.

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