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Biology, 17.09.2019 04:00 boxford69

Someone !
how many neutrons could an atom of the element zinc (zn) have?
im confused because its multiple choice and the only options are 30, 36, 65, and i dont know which one it is. can someone ?

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Someone !
how many neutrons could an atom of the element zinc (zn) have?
im confused...
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