-
430 BCE
Democritus
https://www.youtube.com/watch?v=TgWn91ap99A
Democritus was the man who proposed the idea that all matter is made up of tiny indivisible indestructible particles. -
John Dalton
https://www.youtube.com/watch?v=sDoH5fPTOfo
John Dalton came up with the idea that diferent numbers of the same partical wouldn't make the same element. -
Lord Ernest Ruthford
https://www.youtube.com/watch?v=Xb9KnwadI6Y
tried to make a model with his research. -
J.J.Thompson
https://www.youtube.com/watch?v=JwdGFZA3WOs
J.J.Thompson came up with the idea that there is different charges in an atom. -
Niels Bhor
https://www.youtube.com/watch?v=TwZqOvBLgKs
Neils Bhor came up with this model using other scientists research
