An element's atomic mass is defined by the number of _______________in the nucleus.
A) neutrons
B) electrons
C) protons
D) both protons and neutrons

Name: An element's atomic mass is defined by the number of _______________in the nucleus. A) neutrons B) electrons C) protons D) both protons and neutrons
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Quizplus · Accepted Answer

An element's atomic mass is defined by the number of both protons and neutrons in the nucleus. Electrons do not contribute significantly to the overall atomic mass of an atom.

An Element's Atomic Mass Is Defined by the Number of _______________In