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Question: Answered & Verified by Expert
Which one of the following indicates correct order of atomic size of the given elements?
ChemistryClassification of Elements and Periodicity in PropertiesAP EAMCETAP EAMCET 2023 (17 May Shift 2)
Options:
  • A Li $>$ B $>$ F $>N$
  • B N $>$ F $>$ Li $>$ B
  • C F $>\mathrm{N}>\mathrm{B}>\mathrm{Li}$
  • D Li $>$ B $>$ N $>$ F
Solution:
2872 Upvotes Verified Answer
The correct answer is: Li $>$ B $>$ N $>$ F
The atomic size/radius decreases in a period from left to right.
Thus, ${ }_3 \mathrm{Li}>{ }_5 \mathrm{~B}>{ }_7 \mathrm{~N}>{ }_9 \mathrm{~F}$

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