9
QuizMultiple Choice

Electrons and the Periodic Table — Unit test

Question 9 • Chemistry Honors A

How did Niels Bohr describe electrons in his atomic model?

Answer
A
Their energies can have any values.
B
Their exact positions cannot be known.
C
They have high probability to be found in certain regions.
D
They orbit the central nucleus in discrete paths.

Explanation

In Bohr’s atomic model, electrons move around the central nucleus in specific, discrete orbits, each with a particular energy. So the correct choice is “They orbit the central nucleus in discrete paths.” The idea that electrons are most likely found in certain regions describes the later quantum-mechanical model, not Bohr’s model.

AI-written and checked against the verified answer.

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