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Bellwork 09/06_MartinezPaola - Bellwork Who first suggested...

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Bellwork Who first suggested the existence of the atom? - John Dalton Chemistry Webquest #1: Introduction to Atoms and Atomic Scientists Directions - Part I – A BRIEF History of the Atom Click the following link: http://www.timetoast.com/timelines/atomic-scientist Use the information in this web page to fill in your History of the Atom Timeline. There are many additional scientists that contributed to the atomic model. I only expect you to know about six of them. History of the Atom Timeline 1 2 3 4 5 6 Date: 400 BC 1844 1897 1911 1913 1930 Scientist: Democritus John Dalton J.J Thompson Ernest Rutherford Niels Bohr Directions - Part II – Models of the Atom Click the following link: http://www.universetoday.com/60058/democritus-atom/ 1. Where was Democritus from? Abdera, Greece 2. Why is he important with regard to atomic theory? Click the following link: http://www.iun.edu/~cpanhd/C101webnotes/composition/dalton.html 3. What are the four parts to Dalton’s Theory?
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