Video

The History of the Atom – Dalton, Thomson, Rutherford, and Bohr

Since the time of the ancient scholar Democritus, we’ve toyed with the idea of the atom.  But it wasn’t until the work of John Dalton in 1803 that we had atomic models supported by experimental evidence. In our latest video, we trace the history of the atomic model – starting with John Dalton’s model (1803), to JJ Thomson’s model (1897), to Ernest Ruthford’s model (1909), to Niels Bohr’s model (1913).

Our current model of the atom, the “quantum mechanical model,” will be discussed in a separate video.

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KHH

 

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