Dalton (sep 6, 1766 – jul 27, 1844)
Description:
Made Dalton's atomic theory. 1) Elements are made of extremely small particles called atoms.
2) Atoms of a given element are identical in size, mass, and other properties. 3) Atoms cannot be subdivided, created, or destroyed.
4) Atoms of different elements combine in simple whole-number ratios to form chemical compounds. 5) In chemical reactions, atoms are combined, separated, or rearranged.
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