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8 Cards in this Set

  • Front
  • Back
What are three basic laws discovered
Law of Conservation of mass

Law of definite proportions

Law of multiple proportions
Law of definite proportions
mass isnt destroyed or created during chemical reaction
Law of definite proportions
No matter where you get the sample, the elemental makeup will be the same
The man who composed atomic theory
Dalton
The man who discovered electrons
Joseph Thomson
Worked with cathode ray
Joseph thomson
The electron has a very ____ charge and a very _____ mass
LARGE

TINY
The electron in _____ charged
positively