-
He developed the concept of an atom and believed that everything on Earth was made up of them. He believed that atoms were indivisible and indestructible.
-
He discovered that all matter was composed of atoms. He published a theory that an element is composed of only one kind of atom, and a compound is composed of particles that are chemical combinations of different kinds of atoms.
-
Created the first Periodic Table
-
He discovered canal rays with positive particles and named them protons.
-
Examined two ways that a cathode ray can be deflected using a magnet and using electronically charged plates. With that, he discovered the electron.
-
With his gold foil experiment, he demonstrated that an atom has a tiny and heavy nucleus
-
He was the first to discover that electrons travel in separate orbits around the nucleus
-
Originated the Quantum Theory which explains the nature and behavior of matter and energy on the atomic and subatomic level
-
He is known for his uncertainty principle and theory of quantum mechanics
-
Used mathematical equations to describe the likelihood of finding an electron in a certain position
-
He discovered the Neutron in atoms.
