A Stable Nucleus Contains Many Protons Very Close to Each

question 84

Multiple Choice

A stable nucleus contains many protons very close to each other, all positively charged. Why do the protons not fly apart due to mutual Coulomb repulsion?

• A) An attractive nuclear force in the nucleus counteracts the effect of the Coulomb forces.
• B) The neutrons in the nucleus shield the protons from each other.
• C) The Coulomb force does not operate within nuclei.
• D) The gravity of the protons and neutrons overcomes their repulsion at such close distances.
• E) There are an equal number of electrons in the nucleus which neutralize the protons.

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