All matter is made up of atoms, Atoms cannot be created, divided, or destroyed, All atoms of a certain element are identical but different from atoms of other elements, Atoms join with other atoms to make new substances.
He discovered electrons and said that they were 2000x less mass than the smallest atom. The electron carried electricity and was negatively charged.. Thompson said that these electrons were inside on a bigger positively charged atom
What was Ernest Rutherfordgold foil experiment and discovery?
Rutherford fired alpha particles at a gold foil. The alpha particles were denser than the gold so when the alpha particles hit the gold foil, the alpha particles should pass through the gold however some alpha particles bounced back which meant that an atom has a nucleus which was surrounded by electrons