There was no concrete evidence that led Dalton to propose his atomic theory. He proposed this theory based on logical explanations about the behavior of elements, gases or materials.
John Dalton
John Dalton
John Dalton
John Dalton.. :))
I am almost sure it was Dalton but I may be wrong
John Dalton first pursued research into atomic theory. He was the first person to propose the existence of the atomic structure.
They both thought the same theory but Dalton had evidence to prove it, unlike Democritus.
scientific method used in the development of atomic theory
John Dalton first pursued research into atomic theory. He was the first person to propose the existence of the atomic structure.
By using experimental methods Dalton transformed Democritus ideas on atoms into a scientific theory.
John Dalton. He put forward the atomic theory in 1808.
Dalton's Atomic Theory
They both proposed the theory that all matter consists of atoms.
Instead of just stating his own personal opinions John Dalton cited evidence to support his atomic theory. The giving of evidence - which could be proved or disproved by others - was what soon resulted in his theory being accepted by scientists.
Scientists had made observations that did not fit exactly with Dalton's theory. Scientists changed the atomic theory to include this new knowledge. While the modern atomic theory is based on Dalton's theory, it is also very different.
john dalton developed the atomic theory , which he published in 1803
Dalton proposed it in Dalton's atomic theory (i think)