Which one has higher energy 4f or7s
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Answer: 7s has higher energy
Explanation:
(n+l) rule specifies that if 2 sub shells have similar (n+l) value, the one with the lower value of n will have lesser energy.
For 4f - n=4, l=3
(n+l)= 7
7s - n=7, l=0
(n+l) = 7
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