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The first one is the Greek Model Basically, this model was a philosophical idea that everything could be broken down into one fundamental unit -- the atom.
We will be learning about the 6 models of an atom today.
The second model is the Dalton's Billiard Ball Model, named and made after John Dalton.
It shows that atoms of the same elements have the same masses, and atoms of different elements have different masses.
This model represents the atom as a positively charged mass with electrons scattered throughout it, much like plum parts scattered throughout pudding. However, experimental evidence proved that there weren't that many electrons, and therefore this model failed.
After that, there's the J.J Thomson's plum pudding model, named after and made by J.J Thomson.
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