Which of the following atoms is the largest?

Name: Which of the following atoms is the largest?
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Question

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The size of an atom depends on its atomic radius, which increases as you move down a group on the periodic table due to the addition of more energy levels. Among the given atoms, Cs is at the bottom of the same group (group 1 or alkali metals), thus having the largest atomic radius.

Which of the Following Atoms Is the Largest