What are the 4 main points of Dalton atomic theory?
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A theory of chemical combination, first stated by John Dalton in 1803. It involves the following postulates: (1) Elements consist of indivisible small particles (atoms). (2) All atoms of the same element are identical; different elements have different types of atom. (3) Atoms can neither be created nor destroyed.
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1) Atoms of different elements contain different mass.
2) All matter is comprised of tiny , definite particals called atoms.
3) Atoms are indivisible and indestructible.
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