What was one main point of dalton's atomic theory? o a. that atoms were made up of positive and negative charges b. that atoms had a nucleus at the center c. that atoms made up the smallest form of matter o d. that atoms changed as they formed compounds

C. That atoms made up the smallest form of matter

Explanation:

The crux of the Dalton's atomic theory is that atoms are the smallest form of matter. He propositioned that atoms is an indivisible particle and beyond an atom, no form of matter exists.

Series of discoveries through time have greatly shaped the Dalton's atomic theory. The discovery of cathode rays by J.J Thomson in 1897 opened up the atom. Atoms were now seen to be made up of some negatively charged particles. Ernest Rutherford through his gold foil experiment proposed the nuclear model of the atom.

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explanation: