Biology, 12.07.2019 14:00 katheline1226
How do you find the atomic mass/mass number of an atom? a. add the number of protons and electrons together b. subtract the number of protons by the number of neutrons c. subtract the number of protons by the number of neutrons d. add the number of protons and neutrons together
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How do you find the atomic mass/mass number of an atom? a. add the number of protons and electrons...
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