
Concept explainers
ToFill:In the blank with correct word.

Answer to Problem 22R
Mass number
Explanation of Solution
Introduction:
The mass number is the total number of the protons and the number of the neutrons.
The mass number is the total number of the neutrons and the number of protons. The neutrons and protons together are known as nucleons. The mass number is represented with the symbol (A). The mass number is different for the different
Conclusion:
Thus, the correct word is Mass number.
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