Chemistry Chapter 3 Quiz

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karmwood96
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110685
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Chemistry Chapter 3 Quiz
Updated:
2011-10-20 18:41:21
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Chemistry
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Chemistry Chapter 3 Quiz
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  1. "Laughing Philosopher"
    1st.
    "Don't"
    Democritus.
  2. What contributions did Democritus make?
    • Atoms are the smallest unit piece of matter
    • "Atomos"
  3. What does the Democritus's model say/look like?
    • Shape/size depend on object.
    • Basic shapes.
    • ex. circle, square, triangle
  4. Who is the father of modern atomic theory?
    Dalton
  5. Father of modern atomic theory
    "Drink."
    Dalton.
  6. His experiement dealt with combining elements to form compounds?
    Dalton
  7. What contributions did Dalton make?
    • Said element are the same shape and had the same matching atoms. (Later found false)
    • Atoms are combined in whole number rations to make compounds
  8. Said element are the same shape and had the same matching atoms. (Later found false)

    Atoms are combined in whole number rations to make compounds
    Dalton's Contributions.
  9. Whose experiment...
    combined elements to form compounds?
    Dalton
  10. All matter has atoms

    The atom is an indivisible sphere
    Dalton's model
  11. What did Dalton's model say?
    • All matter had atoms
    • The atom was an indivisible sphere
  12. Improved Dalton's theory.
    "The"
    Thomson
  13. What was Thomson's experiment?
    Cathode Ray Experiment
  14. What did the Cathode Ray Experiment do?
    • Cathode rays were passed through a magnetic field.
    • Atoms attracted to pos. magnet
    • Ray are negative electrons
  15. Rays are negative what?
    Rays are negative electrons.

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