NEET Chemistry Quantum Mechanical Model MCQ Question
What does the principal quantum number 'n' primarily determine in an atomic orbital?
Size and energy of the orbital
Shape and orientation of the orbital
Speed of electrons in the orbit
Charge of the nucleus
Correct Answer
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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