Chemistry

Chemistry, 17.12.2020 21:20, iiChantxx

How many neutrons are there in an atom of (Xe) whose mass number is 133? a. 187
b.54
c. 133
d.79
e. None of the above

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How many neutrons are there in an atom of (Xe) whose mass number is 133? a. 187
b.54
c....

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