A plate of food has both thermal energy (form of kinetic energy) and chemical energy (form of potential energy). True
False

I believe it’s true

This statement is True :)

The teacher is mostly talking about the distillation of a mixture

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.