Chem Daltons theories

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7 Terms

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dalton

elements are composed of very small indivisible particles called atoms

2
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today

elements are composed of very small divisible particles

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dalton

all atoms of the same element are identical, especially in mass but differ from atoms of other elements

4
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today

isotopes, atoms of the same element that differ in mass, exist: atoms of the same element can differ in mass and in number of neutrons

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dalton and today

a chemical reaction involves the separation, combination, or rearrangement of atoms not their creation or destruction -law of of mass conservation

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dalton and today

compounds are composed of atoms more than one element bonded together

7
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law of constant composition/ law of definite proportions

in a given compound the relative number and type of atoms are constant