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JEE Main Chemistry question

ChemistryThe d and f-Block ElementsJEE Main

Among the elements given below, the total number of actinoids is . Ce, Eu, Th, No, Pa, Pu, Tm

Answer: 4

Solution

Th, No, Pa and Pu are actinoids; Ce, Eu and Tm are lanthanoids. The answer is 4.

Question ID VK-147997