Q. The orbital with the lowest energy in a multi-electron atom is:
एक बहु-इलेक्ट्रॉन परमाणु में सबसे कम ऊर्जा वाला कक्षक है:
Explanation
The 1s orbital (n=1, l=0) is the closest to the nucleus and has the lowest energy due to minimal shielding and maximum nuclear attraction.
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