Question

Which of the following electronic configuration is incorrect?

A)P =1s²2s²2p⁶3s²3p⁶4s¹
B)Q =1s²2s²2p⁶3s²3p⁶4s²3d¹
C)R =1s²2s²2p⁶3s²3p³3d⁵
D)S =1s²2s²2p⁶3s²3p⁶4s²3d⁶

Answer 1

The incorrect electronic configuration is (c) R: 1s²2s²2p⁶3s²3p³3d⁵.

Step-by-step explanation:

Electronic configuration provides information about the arrangement of electrons in an atom. The correct electron configurations for the given options are:

A) P: 1s22s22p63s23p64s1

B) Q: 1s22s22p63s23p64s23d1

C) R: 1s22s22p63s23p33d5

D) S: 1s22s22p63s23p64s23d6

Therefore, the incorrect electronic configuration is (c) R: 1s22s22p63s23p33d5.