Q. The principle quantum number 'n' determines:

सिद्धांत क्वांटम संख्या 'एन' निर्धारित करती है:

A
Shape of the orbital
कक्षक का आकार
B
Size and energy of orbital
कक्षक का आकार और ऊर्जा
C
Orientation of orbital
कक्षीय का अभिविन्यास
D
Spin of electron
इलेक्ट्रॉन का घूमना

Explanation

The principal quantum number (n) specifies the:

  • Energy level

  • Average distance of the electron from the nucleus
    Higher the value of nn, the larger and more energetic the orbital.

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