Using alcohols as solvents offers the advantage of using ro-ions which are somewhat stronger _than the hydroxide ion. a bases b acids

The problem here is that according to aufbau principle before 3d orbital 4s subshell comes.after filling 3p orbital with electrons you have 4 electrons left, you place two in 4s with opposite spin and the other two in 3d in any of its two orbitals of total five orbitals with the same spin.

Bthats what im doing to and i figured it out it is b

Ijust took the quiz. their is no coefficient needed. : )

It decreases by 4 is your answer mark brainliest