The d & f Block Elements — Chemistry STD 12 Science — Question
Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryThe d & f Block Elements1 Mark
Question
The Lanthanoid contraction refers to decrease in the:
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Answer
Ionic radius of the series.
Explanation:
The Lanthanoid contraction refers to decrease in the ionic radius of the series. It is a reduction in atomic/ionic size with increase in atomic number. This is due to poor shielding of 4f electrons.
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