-
Dalton proposed that the law of conservation of mass and the law of definite proportions could be explained using atoms. -
He discovered that atoms were made up of smaller components. -
He discovered the atom's nucleus. -
Described the structure of atoms, especially that of hydrogen -
He proved the existence of neutrons
Looking for a timeline maker?
Create timelines for projects, roadmaps, history, lessons, legal cases, and stories with Timetoast. Timetoast is a timeline maker for work, school, research, and stories.