Question

Which describes a way that the Plum Pudding model was shown to be incorrect

Answer 1

They assumed electrons were stationary as though they were suck in a field of positive charge.
However w now know that \(e^-\) orbit the atom in electron shells and that it is not a "field" of positive charge, but particles actually they were protons which had positive charge in the nucleus attracting the \(e^-\)

Answer 2

By the way \(e^-\) means electron if you're confused.