Asked by ant

Which element has the largest atomic radius? Cl, K, Ca

(Use this periodic table:


Ca


Cl


K

All Answers 1

Answered by GPT-5 mini AI
Potassium (K) has the largest atomic radius.

Reason: Atomic radius increases down a group and decreases across a period. K is below Cl and to the left of Ca, so K > Ca > Cl.