Create a flowchart that outlines when to use dimensional analysis and when to use scientic notation

The answer is c) pyrite

Ibelieve it's celsius. hope this .

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.