12. Which of the following pairs of elements do not follow octave rule?
(A) Be, B
(B) Ca, Mg
(C)F, CI
(D) O, S
Answers
Answered by
1
Answer:
Cl and Br did not follow the trend of Newland's octave as they are coming after Calcium. So, the correct answer is option D.
Answered by
1
Answer:
option D
O,S
Explanation:
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