_____ have a mass of approximately 1 amu.
A) Protons
B) Neutrons
C) Electrons
D) Protons and neutrons
E) Protons, neutrons, and electrons

Name: _____ have a mass of approximately 1 amu. A) Protons B) Neutrons C) Electrons D) Protons and neutrons E) Protons, neutrons, and electrons
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Protons and neutrons each have a mass close to 1 atomic mass unit (amu), while electrons have a much smaller mass (approximately 1/1836 amu) and thus do not significantly contribute to the mass of an atom.

_____ Have a Mass of Approximately 1 Amu