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B.C.- Came up with the idea that atoms can not be split.
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450 B.C.-Unlike his buddy Democritus, Aristotle did not believe an atom existed, but the true idea came around 2000 years later.
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Founded the law of conservation of matter. He also states that there are 3 states of aggregation. Matter cannot be created or destroyed.
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Came up with the idea that atoms have different weights. (Protons, Neutrons, Electrons)
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founded law of Multiple Proportions. Atoms have different ratios to combine to form mixtures. Society did not accept his beliefs for a while longer.
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Discovered atoms have negative charges called electron. One of the main compunds of the modern atomic structure.
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Discovered the value for a negative charge through the oildrop experiment. He also helped discovered with J.J. Thomson that electrons are negative.
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Theory that atom was 1/10000 the size of other scientists atoms. Atoms are TINY, and act like orbit like planets.
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Proved that an atom has a nucleus and that is surrounded by negative electrons. Discovered basic atomic structure.
