Question

write the electron configurations of the following elements in both the long and short forms for Potassium (atomic number 19)

Answer 1

Step-by-step explanation:

potassium

.......... number of electrons = 19

K = 2 electrons L = 8 electrons M = 9 ELECTRONS

1s², 2s²,2p6 , 3s2 , 3p6 4s 1