MCQs on Radioactivity Q1: The neutral atoms of all isotopes of the same element contain the same number of __________. neutrons only. Electrons Mass numbers Masses Answer: (b) Electrons Q2: The atomic number is not changed by which type of …
MCQs on Radioactivity Q1: The neutral atoms of all isotopes of the same element contain the same number of __________. neutrons only. Electrons Mass numbers Masses Answer: (b) Electrons Q2: The atomic number is not changed by which type of …
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