Dalton By Henry Roscoe (author), William Henry Worthington (engraver), and Joseph Allen (painter) [Public domain], via Wikimedia Commons


Use the resources on the Dalton student esheet to explore the key links, glossaries, and other broader resources on John Dalton. You should address the questions on this sheet as you go through the resources.

What is the difference between physical and chemical atomism?



How did Dalton come to develop his chemical atomic theory?



What did Dalton ultimately wish to determine or prove?



What are the four basic ideas of Dalton’s chemical atomic theory?



Where, if any, was the work of Dalton proven to be incorrect?



What is seen as the “original contribution” of Dalton?



What is the Law of Conservation of Mass?



What is the significance of Dalton’s work?





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