Chemistry-Quantum Mechanical Model
NEET Chemistry Quantum Mechanical Model MCQ Question
Type: MCQ-fact-Medium-Class 11
What does the principal quantum number 'n' primarily determine in an atomic orbital?
A
Size and energy of the orbital
B
Shape and orientation of the orbital
C
Speed of electrons in the orbit
D
Charge of the nucleus
Correct Answer
Option A
Detailed Explanation
The principal quantum number 'n' is a positive integer that determines the size and, to a large extent, the energy of the orbital, as indicated in the Quantum Mechanical Model section.
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