brieannamiller7811 brieannamiller7811
  • 28-01-2022
  • Chemistry
contestada

How many unpaired electrons are present in a lithium atom?.

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Аноним Аноним
  • 29-01-2022
  • Lithium has Z =3

Electronic configuration is given by

[tex]\\ \tt\bull\rightarrowtail 1s^22s^1[/tex]

  • 1s orbital is filled
  • 2s orbital is unfilled

So

  • unpaired electrons=1
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