Which of the following statements is accurate?

Nuclear Power Engineering MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Nuclear Power Engineeringchemical-engineering › nuclear-power-engineering
Published
7 Mar 2019
Last updated
28 May 2026

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Choose the correct answer

Explanation

Option A is incorrect because losing electrons results in positive ions, not negative ones. Option B is correct as the nucleus radius is roughly 10^-12 cm and the atomic size is about 10^-8 cm. Option C is false since gaining electrons produces negative ions, not positive. Option D is incorrect because the proton to neutron ratio in stable nuclei is generally close to 1:1, not 2:1.

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