36+ John Dalton Atomic Model Date Of Discovery Pictures. By far dalton's most influential work in chemistry was his atomic theory. Dalton's experiments on gases led to his discovery that the total pressure of a mixture of gases amounted to the sum of the partial.

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He based his theory of partial pressures on. He is best known for introducing the atomic theory into chemistry. Dalton's outlining of atomic theory was a start, but it still didn't really tell us much about the nature of atoms rutherford's discovery of the nucleus meant the atomic model needed a rethink.

No discovery, but thought atom was a solid sphere with no internal parts.

An atom can be further subdivided into protons. Democritus recorded that leucippus believed atoms to be small, indestructible bodies that. Dalton's experiments on gases led to his discovery that the total pressure of a mixture of gases amounted to the sum of the partial. Though some of his conclusions were incorrect, his contributions were vital.