Democritus called the particles that make up matter - atomos, Published by John Dalton in 1805 - Atomic theory, Dalton said all matter is made up of - atoms, Dalton said the atoms in an element are all - identical, Atoms cannot be created or - destroyed, Each atom of an element is joined to a fixed number of other elements in a - compound, To make a new substance in chemical reactions elements - rearrange, Dalton said differences in atoms give elements distinct - properties,

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