Atom A and Atom B have the same number of protons and neutrons, but they do not have the same number of electrons.
2 answers:
Answer:
The answer is C- the atoms have different. A. Topic numbers
Explanation:
if they have the same neutrons and protons but not electrons the atomic numbers cant be the same if they dont have all 3 of the same numbers.
(on edge 2020-2021)
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