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. Natural copper is a mixture of only two isotopes, one of which has 29 protons, 34

neutrons and a relative atomic mass of the natural copper is 63.6 amu.
a. Calculate the a. mass number
b. number of neutrons in the second isotopes

User Samm
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Answer:

A. 63

B. 34.6

Step-by-step explanation:

User Mwengler
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