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John Dalton's
All mater is made of atoms of one kind. Matter is made up of atoms. Atoms cannot be divided into smaller pieces and all atoms of an element are alike. Different substances are made up diffrent kind of atoms. -
William Crooks
Did experiments with glass, vacuum tube. The galss tube had two pieces of metal called electrodes. The Electrodes were connected to a battery. Both electrode's were connected to each end. One was a positive charge while the other was a negative charge.
