Q. Number of electrons in a the valence orbit of nitrogen in an ammonia molecule is
A) 8
B) 5
C) 6
D) 7
Explanation
(a)
Total electrons in valence shell of nitrogen and hydrogen.
[image:4_image120.emf]
$\therefore$ Total electrons in $NH_{3}$=5+1+1+1=8
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.