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What do two different neutral isotopes of the same element have in common?

A. nuclear mass
B. atomic number
C. nuclear number
D. atomic mass

User Leks
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2 Answers

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B, atomic number. Atomic number is the number of protons an element has, and if it doesn't have the same number of protons it's not the same element
User Shrivb
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6 votes
B atomic number. Hope this helps!
User Shenita
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