detehfeufheufh34331 detehfeufheufh34331 19-12-2022 Chemistry contestada Which of the following electron configurations is impossible? A. 1s22s22p63s23p4 B. 1s22s22p53s13p4 C. 1s22s22p63s23p63d104s2 D. 1s22s22p63s33p4 E. 1s12s22p63s23p4