I believe the answer is C. atomic structure and bonds.
Can u give us a clear question please
Answer:
+2
Explanation:
+2 is the calcium carbonate oxidation number
From the calculation, the binding energy of the oxygen atom is 1.98 * 10^11 J
<h3>What is the binding energy?</h3>
The term binding energy has to do with the energy that must be supplied to the nucleus of an atom for the nucleus of the atoms to be bonded together.
We must note that;
E = mc^2
E = 2.20 × 10 -28 kg * ( 3 * 10^8m/s)^2 = 1.98 * 10^11 J
Learn more about binding energy:brainly.com/question/10095561
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