Which of the following element if not the member of second period?
(a) Li (b) Ca
(c) F (d) C
Answers
Answered by
4
Answer:
Ca (Calcium)
Explanation:
As it has 3 shells(K,L,M).So it belongs to the 3rd period
Answered by
5
Answer:
B: C
Explanation:
Li : 2,1
Ca : 2,8,8,2
F : 2,7
C : 2,4
Calcium is in Period 4
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