An atom of an element has the electronic configuration 2, 8, 2. To which group does it belong?
  1. 4th group
  2. 6th group
  3. 3rd group
  4. 2nd group


Correct Answer: (d) 2nd group

Explanation: The valence electrons give us the idea of group number. Element with electronic configuration 2,8,2 belongs to the 2nd group.

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Updated on: 10-Oct-2022

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