Published the first atomic theory

Suggested that matter could be divided infinitely and that there are four elements in nature

Proposed that electrons move in circular pathways around the nucleus

Described the atom as solid and positive with negative particles scattered throughout randomly (like a plum pudding or chocolate chip cookie)

Proposed that matter is made up of fundamental particles called atoms. He called them atomos

Discovered the neutron

Stated that electrons move randomly in the electron cloud

What was Rutherford experimenting with that led him to his discovery?

What is NOT a postulate of Dalton