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I NEED HELP ASAP what is the difference between an isotopes mass number and an elements atomic mass number?
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I NEED HELP ASAP what is the difference between an isotopes mass number and an elements atomic mass number?

User RickN
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1 Answer

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Answer: the atomic is at the top the the element

Explanation: when you have an element like carbon you have the atomic number witch is on top then you have the atomic mass witch is the decimal and the bottom it could be a whole number or a decmial

User Dgrat
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