AnswersPhysical SciencePractice TestQuestion 3
3
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Practice Test

Question 3 • Physical Science

What is an atomic nucleus?

Answer
A
the outer part of an atom in which electrons move
B
the central part of an atom, composed of protons and electrons
C
the outer part of an atom in which neutrons move
D
the central part of an atom, composed of protons and neutrons
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