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democritus (400 B.C.)
he claimed everything was made up of atoms.
he discovered the atom. -
Aristole(B.C.)
he did not beileve in the atomic therory. -
Thomson(1897)
he discovered that atoms have tiny negative charged particles inside them- electrons. -
Bohr(1913)
he said that electorns orbited around the atom -
Heisenburg and schrodinger
they used math.
electrom cloud.schrodinger made a model that would predict the odds of the location of the electrons. -
dalton ( 1800s)
he discovered the atomic theory.
he believed that they were indivisable and all atoms that have the same elements were the same. -
rutherford (1911)
he did the "golf foil"experiment and discovered the nucleus.