-
Democritus claimed that everything is made up of atoms
Greece -
First Atomic theroy after the dark ages
England -
Create the First periodic table
Russia -
identified the first known sample of helium,
England -
Disocvered cathode Rays
England -
Creates a way to prove atoms Exist
Switserland -
proposed the nuclear atom as the result of the gold-foil experiment
England -
Created bohr model
Netherlands -
Created the way atoms are numbered today
England
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