Question

what is the gold foil experiment

Answer 1

Physicist Ernest Rutherford established the nuclear theory of the atom with his gold-foil experiment. When he shot a beam of alpha particles at a sheet of gold foil, a few of the particles were deflected. He concluded that a tiny, dense nucleus was causing the deflections.

Answer 2

Answer:

An atom has a center called nucleus

Compared to the size of an atom the size of the nucleus is very small

All the positively charged particles and most of the mass are concentrated in the nucleus of atoms.

Negatively charged electrons revolve around the nucleus in circular path.

This atom model is known as planetary model of atom because sun at the center is compared to the nucleus planets revolving around the sun is compared to electrons.

A piece of gold foil was hit with alpha particles, which have a positive charge. Most alpha particles went right through. This showed that the gold atoms were mostly empty space. Some particles had their paths bent at large angles. A few even bounced backward. The only way this would happen was if the atom had a small, heavy region of positive charge inside it.