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Direction: The electronic configuration of an element ‘X’ is 2, 8, 2 :
Q. The Valency of element X is:
  • a)
    +2
  • b)
    −2
  • c)
    0
  • d)
    1
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Direction: The electronic configuration of an element ‘X’ is 2, 8, 2 ...
The number of electrons present in the outermost shell is 2. So, the valency will be 2.
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Direction: The electronic configuration of an element ‘X’ is 2, 8, 2 :Q. The Valency of element X is:a)+2b)−2c)0d)1Correct answer is option 'A'. Can you explain this answer?
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