The d- and f-Block Elements

Bihar Board Class 12 · Chemistry · 31 past questions

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1. Q1 2026 Set A

   If the electronic configuration of a transition element in its +3 oxidation state is [Ar]3d$^4$, then its…

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2. Q6 2025 Set D

   The electronic configuration of copper ( Z = 29 ) is

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3. Q15 2023 Set F

   The electronic configuration of Cu$^{2+}$ (Z = 29) is

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4. Q17 2022 Set E

   The general electronic configuration of transition elements is

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5. Q26 2017

   The general electronic configuration shown by the transition metal is -

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6. Q28 2016

   Outermost configuration $3d^6 4s^2$ is of

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