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InterviewSolution
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An element has same number of electrons in I and IV shells and in the II and III shells i] Write its electronic configuration ii] Write the group and period it belong iii] What is the valency of the element |
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Answer» Solution :i] Electronic configuration `{:(K,L,M,N),(2,8,8,2):}` ii] GROUP 2 [because valence SHELL contains 2 ELECTRONS] PERIOD 4th (as the number of shells are 4] iii] Valency of the element is 2. |
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