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Oxygen was dicovered by placing mercury in a tube and heating it to release oxygen
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By performing an experiment by mixing pot ash and electricity the chemical were separated
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Atomic thoery was discovered by John Dalton he found the atom
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When gases were combined the volume was higher than expected which made chemist beleive gas have more than one atom called molecules
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Bybplace two inorganic substances together they discovered that it can form an organic compond
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Robert busen figure out many substance change coloron a flame also discovered sodium on the sun
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1860 the first plastic was made using plants
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Demitir Meedelev arranged the elements by atomic mass forming a chart
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An experiment was done by placing uranium on a paper and putting an object and the outline was left
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Joseph Thompson discovered electrons
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A diagram for combining atoms together was made to find chemical structures
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Gilbert Lewis explaned that electron are in shells
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Its is a stable carbon structure containing 60 atoms in a ball ot capsule formation
