Which aspects of Dalton's atomic theory are disproven by Thomson's discovery of the electron and his “Plum Pudding" model of the atom?

Dalton’s theory suggests that an atom is indivisible. However, Thomson discovered the existence of subatomic particles called electrons.

Explanation:

i just calculated it all out, and not including weekends, and all the different days off. as of this school year (2018-2019) students are spending 2198 hours in school this year