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Question

Match the atomic numbers of the elements given in column I with the periods given in column II and mark the appropriate choice.

Column I
(Atomic Number)
Column II
(Period)
(A) 31(i) 5
(B) 50(ii) 3
(C) 56(iii) 4
(D) 14(iv) 6

A
(A) (i), (B) (ii), (C) (iii), (D) (iv)
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B
(A) (ii), (B) (i), (C) (iv), (D) (iii)
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C
(A) (iii), (B) (iv), (C) (i), (D) (ii)
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D
(A) (iii), (B) (i), (C) (iv), (D) (ii)
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Solution

The correct option is D (A) (iii), (B) (i), (C) (iv), (D) (ii)
Atomic number
Electronic configuration
Period
142,8,4
3
31 2,8,8, 13
4
50 2,8,8,18,14
5
56 2,8,8,18,18,26

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