The f-block of the periodic table contains those elements i…

Chemistry D and F - Block Elements General Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

The f-block of the periodic table contains those elements in which :

Only 4f orbitals are progressively filled in 6th period.

Only 5f orbitals are progressively filled in 7th period.

4f and 5f orbitals are progressively filled in 6th and 7th periods respectively.

None

Text Solution

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The correct answer is:

Electronic configuration of f-block element (n – 2) f1–14, (n – 1)d10, ns2 f-block starts with 6th period (n = 6).

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