Explanation:
high energy to Low energy
=the electron gains energy (K.E)
Decrease because loss of electrons.
Ernest Rutherford's gold-foil experiment showed the density of atoms.
<span>The experiment proved that most of an atom is empty space with a very small positively charged nucleus in the middle.
So, from the given statements he following is true:
</span><span>Ernest Rutherford's gold-foil experiment showed </span>the existence of a dense, positively charged center in an atom.
<h3>A. an acidic............</h3>