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Question: Answered & Verified by Expert
Among the element $\mathrm{Li}, \mathrm{N}, \mathrm{C}$ and $\mathrm{Be}$, one with the largest atomic radius is
ChemistryClassification of Elements and Periodicity in PropertiesKVPYKVPY 2016 (SA)
Options:
  • A $\mathrm{Li}$
  • B $\mathrm{N}$
  • C $\mathrm{C}$
  • D $\mathrm{Be}$
Solution:
1935 Upvotes Verified Answer
The correct answer is: $\mathrm{Li}$
as we move left to right in a period atomic radius decrease due to increase in $z_{\text {eff }}$
so. greatest radius is of lithium.

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