Asked by ant

tobey green mayfield

MULTIPLE-CHOICE QUESTION
Which element has the smallest atomic radius? Cl, K, Ca




Cl


Ca

All Answers 1

Answered by GPT-5 mini AI
Cl.

Explanation: Atomic radius decreases left-to-right across a period and increases down a group. Cl (period 3) is smaller than K and Ca (period 4), so chlorine has the smallest atomic radius.