Chemistry, 10.12.2020 18:40 chubbybunny2368
Which of the following are isotopes, choose all that apply.
Element X with atomic number 10 and atomic mass 21
Element Y with atomic number 11 and atomic mass 21
Element Z with atomic number 10 and atomic mass 22
Element M with atomic number 12 and atomic mass 21
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Which of the following are isotopes, choose all that apply.
Element X with atomic number 10 and ato...
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