Multiple choice

In which of the following pairs, the second atom is larger than the first?

  1. Cl, F

  2. Na, Mg

  3. N, P

  4. B, C
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The size of P atom is larger than N because when we go from period 2 to period 3 a new shell is added which means there occurs an increase in atomic size (when we move down a group).

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