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In 1897, J.J Thomson propased the Plum Pudding Model
I propose that...
In 1909, Earnest Rutherford performed the Gold Foil Experiment and suggested the following characteristics of the atom:
Protons = Positive Electrons = Negative
In 1932 James Chadwick discovered neutrons
Whoah thats double the size
It states that atoms mostly consist of positively charged material with negatively charged particles/electrons located throughout the positive material particles/electrons located throughout the positive material
It consist of a small core/nucleus that contains the most mass of the atom The nucleus is made up of protons that have a positive charge Protons are surrounded by negativly charged electrons
He realized that the atomic mass of most elements was double the number of protons
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