Which one of the following elements has the largest atomic radius?
a- Se
b- S
c- Sb
d- Ad
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Explanation:
(A) Comparison of Atomic and Ionic Radius of Group 1 (IA, alkali metals) Elements
Element Symbol of Atom Atomic Radius (pm)
lithium Li 134
sodium Na 154
potassium K 196
rubidium Rb 211
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