Write down the electronic configuration of the following elements from – InterviewSolution

1.

Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation.b. 1H, 7N, 20Ca, 16S, 4Be, 18Ar. Which of these elements belong to the second group?

Answer»

Elements	Electronic configuration
(i) ₁H	1
(ii) ₇N	2, 5
(iii)₂₀Ca	2, 8, 8, 2
(iv) ₁₆S	2, 8, 6
(v) ₄Be	2, 2
(iv) ₁₈Ar	2, 8, 8

Elements belongs to the 2nd group: ₄Be and ₂₀Ca.

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