The mass number of an element is give by the sum of its:
A) protons and isotopes
B) protons and electrons
C) electrons and neutrons
D) protons and neutrons
E) isotopes and electrons

Name: The mass number of an element is give by the sum of its: A) protons and isotopes B) protons and electrons C) electrons and neutrons D) protons and neutrons E) isotopes and electrons
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Question

Quizplus · Accepted Answer

The mass number of an element is the sum of its protons and neutrons.

The Mass Number of an Element Is Give by the Sum