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He is the first to think that atoms are made of a single material that could not be cut.
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He published the first atomic theroy and said #1 all substances are made of atoms wich are tiny particles that can not be created, divide, or destroyed. #2 atoms of the same element are exactly alike. #3 atoms join with other atoms to make new substances.
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he discoverd that there are tiny particles inside the atom and called this the plum pudding model.
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he discoverd that there are charged particles in the part of the atom.
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he went further and discoverd that there is a nucleus that is positively charged.
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these men further explained that electrons do not travle in definate paths but more in regons called electron clouds.
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bhor said that electrons move around the nucleus in certin paths, or energy levels.
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He disagreed with democtrus's idea and thought that atoms could be cut.
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