Particle Theory of Matter readingWS

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					Atomic Theory
Particle Theory of Matter

      Proposed as early as _____________________ by ____________________.

      Basic particle was named ______________ which means:

      On what was this idea based?


      What happened to this idea?




The First Experimental- Based Atomic Theory

      By 1700’s the definition of an element was accepted to be:

      Chemical reaction is when:

      Once measurement became more accurate, what 3 laws were established? What is the
      definition of each?
      1.

      2.

      3.


      John Dalton’s Atomic Theory combined these laws and the earlier concept of particle theory.
      Summarize his theory:




      Are all parts of John Dalton’s theory still relevant? Why/why not?
Atomic Theory
Modern Atomic Theory

      Summarize J. J. Thomson’s contribution to atomic theory:



      What is his model called? Explain his idea of the atom:




      Summarize Rutherford & his colleagues atomic discovery:



      How did this change the model of the atom? Describe.

				
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posted:8/9/2012
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