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Which of the following CANNOT weigh 1 amu? Why?

a. Atoms because they always weigh more than 1 amu
b. Electrons because they are the lightest subatomic particle
c. Protons because they always weigh more than 1 amu
d. Neutrons because they don't have any mass

User Acarlstein
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1 Answer

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Answer: Electrons

Explanation: Electrons are much smaller than Protons and Neutrons. Protons and neutrons each weigh about 1 amu.

User Shivkant
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