9. The Sub shell electronic configuration of an element is given in two ways
i) 1s 2s 2p 3s 3p 3d 4sa
i) 1s 2s 2p 3s 3p 3ď® 4s"
Which among these is the correct electronic configuration? Give reason?
Answers
Answered by
2
Answer:
both r wrong
Explanation:
1s 2s 2p 3s 3p 4s after 3d will come
Answered by
0
Answer:
the electron first enters in to 4s than in 3d because 4s orbital has lower energy to than 3d
AFBAU PRINCIPLE : Lower energy orbitals are filled first
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