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  • 13-02-2024
  • Chemistry
contestada

Which of the following electron configurations is impossible?
1) 1s22s22p63s23p3
2) 1s22s22p63s23p1
3) 1s22s22p63s23p6
4) 1s22s22p63s23p5
5) 1s22s42p63s23p3

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