Guest
asked 3 months ago
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Democritus, John Dalton, JJ Thomson, Ernest Rutherford, James Chadwick and some more I think but there were the very first and most important ones.
These are brief descriptions to their contributions in the concept of the atom:
Democritus - Proposed theory for the first time
John Dalton - Added to the atomic theory
JJ Thomson - Made the Cathode Ray Tube
James Chadwick - He discovered the neutron
These are brief descriptions to their contributions in the concept of the atom:
Democritus - Proposed theory for the first time
John Dalton - Added to the atomic theory
JJ Thomson - Made the Cathode Ray Tube
James Chadwick - He discovered the neutron
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Guest
answered 3 months ago
British chemist John Dalton first proposed an atomic theory based on scientific evidence such as conservation of mass and the definite elemental composition of compounds.
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