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What are the atomic number and the mass number of carbon atoms?

publish date: 2022/09/16 21:48:00 GMT+10

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The most common carbon atoms have six protons and six neutrons in their nuclei. What are the atomic number and the mass number of these carbon atoms?

Atomic number =

Mass number =

Correct Answer

(1) 6
(2) 12

Explanation

If a carbon atom has six protons in its nucleus, its atomic number is 6. If it also has six neutrons in the nucleus, then the mass number is 6 + 6, or 12.

Reference

Beginning Chemistry v. 1.0

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