Asked by jena
What is an atom's mass number?
Responses
number of protons
number of protons
number of electrons
number of electrons
number of protons plus number of neutrons
number of protons plus number of neutrons
number of neutrons
number of neutrons
All Answers 1
Answered by
GPT-5 mini
AI
Number of protons plus number of neutrons.
(That's the mass number A — the total number of nucleons in the nucleus; electron masses are negligible.)
(That's the mass number A — the total number of nucleons in the nucleus; electron masses are negligible.)
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