Chemistry Practice Problems Subatomic Particles Practice Problems Solution: The mass number is equal to       A) the sum of t...

Solution: The mass number is equal to       A) the sum of the number of the neutrons and electrons. B) the sum of the number of the electrons and protons. C) the sum of the number of protons and neutrons. D) the sum of the number of protons, neutrons, and electrons.

Problem

The mass number is equal to      

A) the sum of the number of the neutrons and electrons.

B) the sum of the number of the electrons and protons.

C) the sum of the number of protons and neutrons.

D) the sum of the number of protons, neutrons, and electrons.