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Atom, Proton - Coggle Diagram
Atom
Plum Pudding Model
First Atomic Model
Discovered the nucleus
The electrons are like blueberries in a muffin
Gold Foil Experiment
1911
Found massive area in the center if the atom
Nucleus
Tiny, dense, central core of atoms
Made of Neutrons and protons
Atomic Number
Number of Protons
Number of Isotopes
Mass Number
total of protons and neutrons
Number of Neutrons
Electron
1908 -1917 Robert Millikan determined the mass of a single electron
Neutron
No Charge
Atomic Mass
Average of all the isotopes of a element
JJ Thomson used a cathode ray tube to find the electron Positively charged
Atoms are Neutral
Proton