Dalton's Atomic Theory

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Last updated 12:47 AM on 9/17/26
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4 Terms

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Tenet 1

elements are composed of atoms

2
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Tenet 2

Atoms of a particular element are identical (size, mass, properties) and unique from other elements


BUT!!!! they dont account for isotopes. SOME ELEMENTS HAVE ATOMS WITH DIFFERENT MASSES

3
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Tenet 3 (LAW OF DEFINITE AND MULTIPLE PROPORTIONS)

Compounds are composed of atoms of two or more elements in fixed whole-number proportions.

  • compounds contain fixed ratio of elements by mass


4
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Tenet 4 (CONSERVATION OF MASS)

Atoms are the fundamental building blocks of chemistry: they cannot be created, destroyed, or subdivided by “ordinary” chemical means.

  • neutrons protons, and electrons!