Question

Which of following is a correct electronic configuration of potassium

a) 2,8,9. b) 8,2,9 c) 2,8,8,1 d) 2,8,5​

Answer 1

Answer:

c)2,8,8,1

We now shift to the 4s orbital where we place the remaining electron. Therefore the Potassium electron configuration will be 1s22s22p63s23p64s1

Answer 2

Answer:

c)2,8,8,1

Explanation:

Potassium has atomic number 19 so E.C-2,8,8,1