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On the Basis of Electronic Configuration, How Will You Identify the First Element of a Period? - CBSE Class 10 - Science

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Question

 On the basis of electronic configuration, how will you identify the first element of a period?

Solution

The first element of each period has only one outermost electron. For example, if an element has an electronic configuration of (2,1), we understand that the element belongs to group 1.

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APPEARS IN

 Lakhmir Singh Solution for Chemistry for Class 10 (2019 Exam) (2018 to Current)
Chapter 5: Periodic Classification Of Elements
Q: 27.3 | Page no. 304

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Solution On the Basis of Electronic Configuration, How Will You Identify the First Element of a Period? Concept: The Modern Periodic Table.
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