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The fundamental unit was over 1000 times smaller than an atom, suggesting the subatomic particle.
The atom must have a central unit that contains its central mass…the plum pudding model must be incorrect!
The rays are composed of very light, negatively charged particles which are a universal building block of atoms.
We will call this an electron!
J.J. Thompsons model needs to be tested! We need to be sure of his theory.
Yes we do! That sounds like a great idea!
This is the correct model and form of an atom. Its central unit is called a nucleus.
This is amazing! Your theory is correct Mr. Thompson!
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