chemistry figures

Democritus

An ancient Greek philosopher who proposed that matter is composed of small, indivisible particles called atoms. He is considered one of the early figures in atomic theory.

Priestly

Known for his discovery of oxygen

Lavosier

Disproved the existence of phlogisten and pointed to oxygen.

Law of Conservation of Matter (matter cannot be created nor destroyed)

Proust

Law of Definite Proportions

Dalton

Law of Multiple Proportions

Thomson

Worked with the cathode ray tube and created the plum pudding model which shows that negatively charged electrons are embedded in a positively charged substance

Rutherford

Used gold foil expiriment to