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The ____number can vary among atoms of the same element.

User Sizeight
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2 Answers

3 votes

Answer:

The answer is mass number

User Thomas Clayson
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Answer:

Mass number

Step-by-step explanation:

All atoms of the same element have the same number of protons, but some may have different numbers of neutrons, which would cause a different mass number

User Adamy
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