134. Consider the following idealized PES spectrum for an element: Relative number of electrons
1000
100
1
0.1
10
Energy (MJ/mol)
What is the identity of the element?

you need to have a picture of the atom that way we can answer it

alchemy hadn't scientific methods of study, appeal to mysticism and fantasy, the knowledge of chemistry and physics were modest at that time.

alchemy was - but as new rules were discovered it either changed into chemistry or it became "unscientific".