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Standard XII
Chemistry
Size of Atoms and Ions
A reduction i...
Question
A reduction in atomic size with increase in atomic number is a characteristic of elements of
A
High atomic masses
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B
d-block
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C
f –block
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D
Radioactive series
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Solution
The correct option is
C
f –block
Due to lanthanoid contraction, effective nuclear charge increases, which results in decrease in atomic radii.
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