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Biology, 30.10.2019 20:31 dyalisa15

If an atom contains 3 protons, 4 neutrons, and 3
electrons, its mass number is
a. 3.
b. 4.
c. 7.
d. 11.

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Answers: 1

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If an atom contains 3 protons, 4 neutrons, and 3
electrons, its mass number is
a. 3.
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