In which of the following sets, elements have nearly same atomic radii?

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Solution

The correct option is C

In 3d elements from $F e$ to $C u$ , the increased nuclear charge is almost balanced by an increase in size due to increased shielding effect.

As a result elements $F e$ , $C o$ , $N i$ , $C u$ have nearly the same atomic radius

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In which of the following sets, elements have nearly same atomic radii?

The correct option is C In 3d elements from Fe to Cu, the increased nuclear charge is almost balanced by an increase in size due to increased shielding effect. As a result elements Fe, Co, Ni, Cu have nearly the same atomic radius

The correct option is C

In 3d elements from $F e$ to $C u$ , the increased nuclear charge is almost balanced by an increase in size due to increased shielding effect.

As a result elements $F e$ , $C o$ , $N i$ , $C u$ have nearly the same atomic radius