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Dalton
John Dalton discovered that all elements are created from indestructible particles called atoms which are different from other element's atoms. -
Thompson
Thompson discovered the electron. -
Bohr
Created the theory that atoms have a positvely charged nucleus and negatively charged particels that lie outside of it. -
Shrodinger
Discovereed that there are some properties of atoms that cannnot be defined. -
Rutheford
Concluded that atoms are mostly empty space and have a positively vharged center called the nucles. -
Heisneburg
Hypotheesized that you cannot calculate a particle's position and velocity. -
James Chadwick
Chadwick discovered the neutron. -
Democritus (BCE)
Democritus was the first do discver evidence of the atom.
