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

Question 1676

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What is the electronic configuration of the Zn+ ion?

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Based on Table 4.2, which element has a positive standard electrode potential (E°) for the M2+/M couple?

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What is the electronic configuration of the Cu+ ion?

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Why is the lanthanoid contraction a significant factor in the chemistry of heavier elements?

It increases the reactivity of lanthanides
It makes lanthanides more metallic
It causes elements in the second and third transition series to have very similar properties
It decreases the density of all elements

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According to Table 4.2, what is the approximate ionic radius of Co2+?