Multiple Choice
The atomic numbers of carbon,nitrogen,and oxygen are 6,7,and 8,respectively.If a proton and then a neutron are added to carbon,it becomes an isotope of:
A) nitrogen and then an isotope of oxygen.
B) carbon and then an isotope of nitrogen.
C) carbon, which it remains because it started out as carbon.
D) nitrogen, which it remains.
Correct Answer:

Verified
Correct Answer:
Verified
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