emilypag6899 emilypag6899 13-02-2024 Chemistry contestada Which of the following electron configurations is impossible? 1) 1s22s22p63s23p3 2) 1s22s22p63s23p1 3) 1s22s22p63s23p6 4) 1s22s22p63s23p5 5) 1s22s42p63s23p3