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Where would you locate the element with electronic configuration 2,8 in the Modern Periodic Table? - Science

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Question

Where would you locate the element with electronic configuration 2,8 in the Modern Periodic Table?

Options

  •  Group 8

  • Group 2

  • Group 18

  • Group 10

MCQ

Solution

Group 18

Explanation -

According to the electronic configuration of the element, it has electrons occupying the first two shells so, it belongs to the second period. As the number of valance electrons is 8, so this element belongs to the eighteenth group in the modern periodic table.

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Chapter 5: Periodic Classification of Elements - Multiple Choice Questions [Page 39]

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NCERT Exemplar Science [English] Class 10
Chapter 5 Periodic Classification of Elements
Multiple Choice Questions | Q 8. | Page 39

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