After Ar, the first element in the fourth row is potassium, K. K has one 4s electron past the Ar configuration. ... The energy level diagram for many electron atoms ( Figure 11.1) shows that the 3d orbitals are above the 4s orbitals in energy, butanbsp;...
|Author||:||Ronald S. Friedman|
|Publisher||:||AMACOM Div American Mgmt Assn - 1975|