CBSE BOARD XII, asked by nawfalnizam14, 1 month ago

why the atomic radius of fe ,co, ni are almost same?

CBSE CLASS 12 CHEMISTRY

Answers

Answered by xXMarziyaXx

6

Answer ⬇️

Fe, Co and Ni are transition metals in the same period where the atomic radii do not vary much. This is due to the extra screening by the 3d electrons which offset the increasing pull by the additional protons going from Fe to Co and Ni on the outer 4s electrons.

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