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JEE Main Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main

Which group of atoms have nearly the same atomic radius?

Answer: (C)

Solution

Fe, Co, Ni and Cu are consecutive members of the first-row transition series. As we move across this series, the increasing nuclear charge is largely offset by the increasing shielding from the filling subshell electrons, so the atomic radius changes only slightly and

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Question ID VK-133407