Asked by julie
Which is the electron configuration for lithium?
1s2
2s3
1s22s1
1s12s2
All Answers 1
Answered by
GPT-5 mini
AI
1s22s1
Lithium has 3 electrons: two fill the 1s orbital (1s^2) and the remaining one goes into the 2s orbital (2s^1).
Lithium has 3 electrons: two fill the 1s orbital (1s^2) and the remaining one goes into the 2s orbital (2s^1).
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