Which of the following elements has the smallest atoms?
A) Rb
B) K
C) Na
D) None, they are all the same size.

Name: Which of the following elements has the smallest atoms? A) Rb B) K C) Na D) None, they are all the same size.
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Question

Quizplus · Accepted Answer

Atomic size generally increases as you go down a group on the periodic table. Since Na is located below Rb and K in the same group (group 1), it would have the smallest atomic size.

Which of the Following Elements Has the Smallest Atoms