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he proped that thing will always be able to be cut into smaller pieces
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he came up with a particale that was so small it could not be cut in two he called it the atom.
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john dalton created the atomic theory from observations gatheredd over time.
the theory stated
everything is made of atoms. atoms can not be divided or created
atoms of the same element are exactly alike
atoms join with other atoms to make newsubstances -
he showed that daltons theory was wrong and that there were electrons.
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he relized that atoms were made up of highly dense matter
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he revised the thoery and and made a new model of the atom with a positivly charged nucles
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bohr propesed that electrons move around the nucleus in certen pathes
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they have revised the model of the atom and said that electrons do not travel in a spasific path and it can not be predicted
