Challenge Determine which element in each pair has the
Chapter , Problem 19(choose chapter or problem)
Challenge Determine which element in each pair has the largest atomic radius: a. the element in period 2, group 1; or the element in period 3, group 18 b. the element in period 5, group 2; or the element in period 3, group 16 c. the element in period 3, group 14; or the element in period 6, group 15 d. the element in period 4, group 18; or the element in period 2, group 16
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