Which of the following elements shows an increase in atomic size?
- A$I, Br, Cl$
- B$Na, Mg, C$
- C$C, N, O$
- D$Li, Na, K$
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Why are the radii of $_{11}Na$ and $_{20}Ca$ larger compared to $_{12}Mg$?
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The increasing order of atomic radii of the following Group $13$ elements is:
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