The d- and f-Block Elements

Bihar Board Class 12 · Chemistry · 31 past questions

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1. Q2 2026 Set A

   The most common oxidation state of lanthanide elements is

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2. Q4 2025 Set D

   Lutetium (Lu) is

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3. Q7 2025 Set D

   Which of the following is the electronic configuration of Lanthanide elements ?

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4. Q19 2022 Set E

   Which of the following is not an actinide ?

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5. Q22 2021 Set A

   In which of the following elements $4f$ energy level is gradually filled?

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