Question

5. Comment on the atomic radii of d-block elements​

Answer 1

Answer:

The larger decrease in atomic radii, in column 3 to 6 elements is due to the increase in effective nuclear charge but poor shielding because of the smaller number of d-electrons.

Explanation:

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Answer 2

Answer:

The atomic radii of elements of the 3d-series gradually decrease in radius with an increase in atomic number. The atomic radii increase from 3d to 4d, the atomic radii of the 4d and 5d transition series are very close. ... This is due to lanthanoid contraction.

Explanation:

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