Focus(es) of this worksheet:
Understand the contributions of Democritus and Dalton to atomic theory
Understand the law of definite proportions and law of multiple proportions
3-pages (conserve paper – print 2-sided, please!)
atom of an element
law of conservation of mass
law of definite proportions
law of multiple proportions
Answers are included. Multiple versions for differentiation, teacher’s notes or addendums may be included.
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