Home Chemistry Classification of Elements and Periodicity HARD For a p - block element, its 3 d, 3 s , 3 p …
Chemistry Classification of Elements and Periodicity HARD Single Correct MCQ
Published on: August 13, 2026

For a p - block element, its 3 d, 3 s , 3 p and 4 s orbitals are completely filled and the differentiating electron goes to the 4 p orbital. The element should have its atomic number in the range

A
13 - 18
B
21 - 26
C
31 - 36
D
49 - 54

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The correct answer is:
C

31– 36 ⇒ ⇒ to .

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