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JEE Main2026Jan 28, Shift 2Chemistry
Q.

Consider the elements N, P, O, S, Cl and F. The number of valence electrons present in the elements with most and least metallic character from the above list is respectively.

  1. A

    7 and 5

  2. B

    5 and 6

  3. C

    5 and 7

  4. D

    6 and 7

Solution

Metallic character increases down a group and decreases across a period. Among N, P, O, S, Cl, F:

Most metallic: P (Group 15, Period 3) — valence electrons .

Least metallic: F (Group 17, Period 2, top-right) — valence electrons .

Answer: 5 and 7.

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