arielpraczko1
arielpraczko1
04-09-2019
Biology
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Need help with this please
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joy95
joy95
04-09-2019
Isotopes are elements with same atomic number Z= number of protons but different mass number A, where A= Z+N, N= number of neutrons which is variable. As for radioisotopes, I’ve never heard of them before !
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