JEE Mains · Chemistry · STD 11 - 2. structure of atom
Among the following, the energy of \(2s\) orbital is lowest in
- A \(K\)
- B \(Na\)
- C \(H\)
- D \(Li\)
Answer & Solution
Correct Answer
(A) \(K\)
Step-by-step Solution
Detailed explanation
Greater the nuclear charge, stronger will be the attraction, hence lower will be energy of \(2s\)
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