Why is Rutherford's atomic model called the **planetary model**?
AAtoms are the size of planets.
BAtoms exist only on planets.
CElectrons revolve around the nucleus like planets orbit the Sun.
DThe model uses the gravitational force only.
Answer & Solution
Correct answer: C. Electrons revolve around the nucleus like planets orbit the Sun.
The analogy: nucleus = Sun (central, massive); electrons = planets (orbiting). Hence **planetary model**.
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