AIPMT 2007 Physics and Chemistry Paper

Question : 80 of 100

Marks: +1, -0

Identify the incorrect statement among the following:

Shielding power of 4f electrons is quite weak
There is a decrease in the radii of the atoms or ions as one proceeds from La to Lu.
Lanthanoid contraction is the accumulation of successive shrinkages
As a result of lanthanoid contraction, the properties of 4d series of the transition elements have no similarities with the 5d series of elements.

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