2009 - 2010
Class Notes, Monday 8/31/09
1. Judging by the book, _____________________ developed the earliest complete model of the atom.
2. ________________ developed the first model that included smaller particles of atoms.
3. ________________ developed the first model of the atom that included the nucleus.
4. In general, how do you see the models of atoms having changed through time?
5. Which of Dalton’s ideas about atoms do we still accept? Which do we not?
6. Thomson’s model resembled a ___________________________________________.
7. What did Rutherford observe during the gold foil experiment?
8. In Rutherford’s model, an atom is mostly _____________________ with a _______________ charged ___________________ in the center.
9. __________________ discovered that electrons could only contain so much energy and therefore were contained to certain _________________________.
10. The modern model of the atom describes a _______________ containing ________________ and ___________________ surrounded by a ________________ region of moving ____________________. Physical Science - Grade 8 - Class Notes 8/31/09
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