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saw5 [17]
3 years ago
10

The number of protons plus the number of neutrons in an atom is equal to its

Chemistry
1 answer:
sashaice [31]3 years ago
7 0

Explanation:

mass number....................

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,SJhfgaiuehrg;oiaerhgoaw<br> ?
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please say in English. I mean say properly the question.......

thank you

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