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Morgarella [4.7K]
3 years ago
12

Which particle affects the mass number of an atom?

Chemistry
1 answer:
inessss [21]3 years ago
5 0
The number of neutrons is variable, resulting in isotopes, which are different forms of the same atom that vary only in the number of neutrons they possess. Together, the number of protons and the number of neutrons determine an element's mass number.
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Answer:

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Explanation:

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Zanzabum

Answer:

B

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6 0
3 years ago
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amm1812

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