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Byju's Answer

Standard XII

Chemistry

Periods

Match the ato...

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)

\to

(i), (B)

\to

(ii), (C)

\to

(iii), (D)

\to

(iv)

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(A)

\to

(ii), (B)

\to

(i), (C)

\to

(iv), (D)

\to

(iii)

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(A)

\to

(iii), (B)

\to

(iv), (C)

\to

(i), (D)

\to

(ii)

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(A)

\to

(iii), (B)

\to

(i), (C)

\to

(iv), (D)

\to

(ii)

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Solution

The correct option is D (A) $\to$ (iii), (B) $\to$ (i), (C) $\to$ (iv), (D) $\to$ (ii)
Atomic number
Electronic configuration
Period
14 2,8,4
3
31 2,8,8, 13
4
50 2,8,8,18,14
5
56 2,8,8,18,18,2 6

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

Atomic number	Electronic configuration	Period
14	2,8,4	3
31	2,8,8, 13	4
50	2,8,8,18,14	5
56	2,8,8,18,18,2	6

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

The correct option is D (A) → (iii), (B) → (i), (C) → (iv), (D) → (ii) Atomic numberElectronic configuration Period 142,8,4 3 31 2,8,8, 134 50 2,8,8,18,145 56 2,8,8,18,18,26

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

The correct option is D (A) $\to$ (iii), (B) $\to$ (i), (C) $\to$ (iv), (D) $\to$ (ii)
Atomic number
Electronic configuration
Period
14 2,8,4
3
31 2,8,8, 13
4
50 2,8,8,18,14
5
56 2,8,8,18,18,2 6