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Mathematics, 27.02.2020 22:44 chloespalding

20. What does the atomic mass of an element represent?
the total mass of its neutrons
the total number of its protons and electrons
the average total mass of its neutrons, protons, and electrons
the average total mass of its electrons

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20. What does the atomic mass of an element represent?
the total mass of its neutrons
th...
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