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What is the mass number of an atom having 16 protons and 13 neutrons?
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What is the mass number of an atom having 16 protons and 13 neutrons?

User LittleSweetSeas
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1 Answer

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To find mass number, add the number of protons and neutrons together.
16+13=29
Final answer: 29 amu
User Dana Cartwright
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