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What is the variation in atomic radius of D-block elements down the grp and across a period?

What is the variation in atomic radius of D-block elements down the grp and across a period?

Grade:11

1 Answers

Arun
25763 Points
one year ago
In case of d block elements as we move from left to right across the period, atomic number increases. The nuclear charge increases. But the electrons are added to penultimate i.e. (n-1) shell, hence the electron cloud density of inner shells increases which increases the screening effect.

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