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Which of the following elements is placed in the f‑block of the periodic table?

easy MCQ 1 mark Class 12 · Chemistry · d- and f-Block Elements
  1. A) Cerium (Ce)
  2. B) Zinc (Zn)
  3. C) Iron (Fe)
  4. D) Calcium (Ca)
Answer
A) Cerium (Ce)

The correct answer is A) Cerium (Ce) — Zinc, Iron and Calcium are transition or s‑block elements, not f‑block.

Step-by-step solution

  1. Identify the block by looking at the position of the element in the periodic table.
  2. The f‑block consists of the lanthanides and actinides, which are the two rows placed below the main body.
  3. Cerium (Ce) is a lanthanide, thus it belongs to the f‑block.
  4. Zinc, Iron and Calcium are transition or s‑block elements, not f‑block.
Common mistake: Confusing lanthanum/actinium with f‑block elements

Concept tested: Identification of f‑block elements

Published · How this solution was prepared and checked

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