A. Group lll, period 3
B. Group lll, period 5
C. Group V, period 3
D. Group V, period 5
Correct Answer: Option C
C. Group V, period 3
A. Group lll, period 3
B. Group lll, period 5
C. Group V, period 3
D. Group V, period 5
Correct Answer: Option C
C. Group V, period 3
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