Answer: The elements present in Group 5A are Nitrogen (N), Phosphorus (P) and Bismuth (Bi).
Explanation:
The elements belonging to Group 5A has an electronic configuration [tex]ns^2np^3[/tex] where n is the number of periods.
For the given options, the electronic configuration of the elements are:
1. Se = [tex][Ar]4s^23d^{10}4p^4[/tex]
2. Te = [tex][Kr]5s^24d^{10}5p^4[/tex]
3. Po = [tex][Xe]6s^24f^{14}5d^{10}6p^4[/tex]
4. Rb = [tex][Kr]5s^1[/tex]
5. Xe = [tex][Kr]5s^24d^{10}5p^6[/tex]
6. Sn = [tex][Kr]5s^24d^{10}5p^2[/tex]
7. Pb = [tex][Xe]4f^{14}5d^{10}6s^26p^2[/tex]
8. N = [tex]1s^22s^22p^3[/tex]
9. P = [tex]1s^22s^22p^63s^23p^3[/tex]
10. Bi = [tex][Xe]4f^{14}5d^{10}6s^26p^3[/tex]
From the above configurations, the elements belonging to Group 5A are Nitrogen (N), Phosphorus (P) and Bismuth (Bi).
