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John Dalton [ 1804 ]
J.J. Thomson [ 1904 ]
Ernest Rutherford [ 1909 ]
This model is just a simple sphere . That make up all matter . They cannot be divided , created , or destroyed .
Niels Bohr [ 1913 ]
This model is a circle with little circles in the inside . The little circles are negative and positive charge .
Quantum Model [ 1926]
This model is has more to show . Positive charge is in the middle in a circle . Atoms are mostly empty spaced .
This model is a circle with rings around it . The circle in the middle are protons and neutrons . The rings are electrons .
This model looks like a flower . The electrons are in " clouds " called orbitals .
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