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Contains all the stuff for P1

Who invented the "Plum Pudding Model"? JJ Thompson
Describe the Plum Pudding Model Negative electrons were spread through the positive "pudding" that made up the atom
Who made the "Gold Foil" experiment? Ernest Rutherford
Describe the Gold Foil experiment Fired positively charged alpha particles at an extremely thin sheet of gold, Nuclear atom was introduced
Who thought atoms where in "Shells"? Niels Bohr
Describe the "Shells model" Electrons can only exist in these shells. Each shell has a fixed energy.
What is the formula for Density? mass 3 volume unites= g/cm
Created by: Shahed-02