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Physics, 02.12.2020 01:10 JamesLachoneus

Will mark brainliest! The mass number is
A. the number of protons
B. the number of neutrons plus the number of protons
C. the number of neutrons minus the number of protons
D. the number of neutrons

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Will mark brainliest! The mass number is
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B. the number of neu...

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