What is the electron configuration of calcium?
February 20th, 2023
##Ca: [Ar] 4s^2##
Calcium has an of 20. Simply use this information to obtain its electronic configuration. Thus, ##Ca: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2## or simply ##Ca: [Ar] 4s^2##.