Q. Which of the following statements regarding an orbital is correct?
A) An orbital is a definite trajectory around the nucleus in which electron can move
B) An orbital always has spherical trajectory
C) An orbital is the region around the nucleus where there is a $90 - 95\%$ probability of finding all the electrons of an atom
D) An orbital is characterized by 3 quantum numbers $n,\ l\$ and $m$
Explanation
The correct answer is Option C: An orbital is the region around the nucleus where there is a $90 - 95\%$ probability of finding all the electrons of an atom.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.