Home Chemistry Classification of Elements and Periodicity HARD Which of the following pairs has elements co…
Chemistry Classification of Elements and Periodicity HARD Single Correct MCQ
Published on: August 13, 2026

Which of the following pairs has elements containing same number of electrons in the outermost orbit

A
B
C
D

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The correct answer is:
D

Both belong to VII-A group having 7 in valence shell.

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