1803: John Dalton
1832: Michael Faraday
1859: J. Plucker
1869: Dmitri Mendeleev
1879: Sir William Crookes
1894: G.J. Stoney
1895: Wilhelm Roentgen
Discovered X-ray
-X-rays were not deflected by magnetic fields |
1896: Henri Becquerel
Discovered electrons and noticed an atom can be divided. Also, he concluded atoms are made of positive cores and negatively charged particles within it.
Developed the Plum Pudding Model: This model shows that electrons are surrounded by a "pudding" of positive charges to balance the negative charges.
Developed the Plum Pudding Model: This model shows that electrons are surrounded by a "pudding" of positive charges to balance the negative charges.