ATOMS ARE UNCUTTABLE, CONSTANTLY MOVE, SMALL AND HARD PARTICLES

ALL MATTER IS MADE UP OF ATOMS, ATOMS OF THE SAME ELEMENT ARE ALL ALIKE

TESTED USING CATHODE RAY, PLUM-PUDDING MODEL

GOLD FOIL EXPERIMENT, DISCOVERED THE NUCLUES

NUCLEUS HOLDS THE PROTONS AND NEUTRONS TOGETHER LIKE THE SOLAR SYATEM

ELECTRONS ARE LOCATED IN THE ELECTRON CLOUD