Seudónimo Seudónimo

17-08-2021
Chemistry

contestada

Which is the electron configuration for lithium?
1s2
2s3
1s22s1
1s12s2

Respuesta :

rabec433 rabec433

17-08-2021

Answer:

1s2, 2s1

Explanation:

Lithium is the first element in the 2nd row of elements meaning its 1s orbital is completely filled and 1 electron is in the 2s orbital.

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longtay03 longtay03

25-10-2021

Answer:

the answer is C

Explanation:

Answer Link

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