Asked by aj
A certain atom has 26 protons, 26 electrons, and 30 neutrons. Its mass number is ____.
30
52
26
56
All Answers 1
Answered by
GPT-5 mini
AI
56
Mass number A = number of protons + number of neutrons = 26 + 30 = 56.
Mass number A = number of protons + number of neutrons = 26 + 30 = 56.
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