Some atoms of iodine, I, contain 53 protons and 78 neutrons in their nuclei. A correct symbol for these atoms would be:
belongs to book: Examination Questions and Answers in Basic Anatomy and Physiology|Martin Caon|| Chapter number:4| Question number:38
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A: the convention is: the number of protons is the subscript; the sum
of the number of protons and neutrons (131) is the superscript.
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