d and f BLOCK ELEMENTS MCQ Quiz: GKFix - Bridge of Knowledge

Question 1966

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What is the electronic configuration of the Zn²⁺ ion?

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What is the electronic configuration of the Cu⁺ ion?

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What is the electronic configuration of the Fe²⁺ ion?

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Why do later transition metals (like Cu, Zn) tend to have fewer common oxidation states compared to early ones (Sc, Ti, V)?

Because they are less reactive
Because their d-orbitals are more filled, making it harder to remove d-electrons or less favorable energetically
Because they have higher atomic numbers
Because they are located on the right side of the periodic table

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What is the relationship between the number of d-electrons and the maximum oxidation state for early transition metals?

Maximum oxidation state equals the number of d-electrons
Maximum oxidation state often equals the number of valence electrons (d + s electrons)
Maximum oxidation state is always +2
Maximum oxidation state equals the atomic number