Question

The atomic number of oxygen, 8 indicates that there are eight what???

Answer 1

The atomic number organizes the elements and also tells you how many protons there are in an element. So, oxygen would have 8 protons. The atomic number of oxygen 8 indicates that there are eight protons.

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Answer 2

The answer is A. The atomic number of an element is the number of protons in its nucleus.
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