Lanthanoid and actinoid contractions; oxidation states; general characteristics.
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Q1 · f-Block Elements · EASY
Which of the following lanthanoid ions is colorless in aqueous solution?
Q2 · f-Block Elements · MEDIUM
Among the lanthanoid series elements, the one which exhibits +4 oxidation state most readily is:
Q3 · f-Block Elements · EASY
The most common oxidation state exhibited by actinides in their compounds is: