Documents J.J. Thomson He proved that atoms of any element can be made to emit tiny negative particles. From.....

J.J. Thomson He proved that atoms of any element can be made to emit tiny negative particles. From this he concluded that ALL atoms must contain these negative particles.…

Documents Atomic Theory

Composition of the Atom Atomic Theory 1 The History of the Atom Original idea – Greek Democritus – 460 B.C. Thought there were ‘indivisible particles’ that everything…