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

Question 421

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What is cited as the main reason the actinoid contraction is more significant than the lanthanoid contraction?

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What is the primary shared visual characteristic of actinoid metals mentioned in the text?

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Why might a review of actinoid chemistry based solely on oxidation state be potentially misleading?

Because all actinoids possess identical oxidation states
Because oxidation states are not chemically significant
Because the stability and prevalence of specific oxidation states change drastically between early and late elements
Because only the +3 oxidation state is relevant

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What is the general trend observed for the maximum oxidation state from Thorium (Th) to Neptunium (Np)?

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According to Table 4.11's representation, which actinoid is listed as showing an oxidation state of +5?