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Atomic Structure Unit Review

Georgia Dilworth 20 preguntas

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Preguntas del test (20)

  1. 1Which of the following did Democritus NOT believe about atoms?
    1. AThey came in different shapes and sizes
    2. BThey are divisible
    3. CEverything is made up of atoms and empty space
    4. DNone of the above
  2. 2Which scientist was the first to propose that atoms combined in specific proportions to create compounds?
    1. ARutherford
    2. BDalton
    3. CThomson
    4. DBohr
  3. 3Thomson's concept of the atom was flawed because it didn't account for isotopes.
    1. AVerdadero
    2. BFalso
  4. 4Thomson's '[blank_start]chocolate chip cookie[blank_end]' model of the atom was conceptualized based on the results of the [blank_start]cathode ray[blank_end] experiment. The experiment proved that atoms were [blank_start]repulsed[blank_end] by the negative part of a magnetic field. Based on these observations, Thomson realized that [blank_start]electrons[blank_end] existed inside the atom.
    1. Achocolate chip cookie
    2. Bbeehive
    3. Ccathode ray
    4. Dgold foil
    5. Erepulsed
    6. Fattracted
    7. Gelectrons
    8. Hprotons
    9. Ineutrons
    10. Jsub-atomic particles
  5. 5When the gold foil experiment was performed, 1/10,000 alpha particles were deflected.
    1. AVerdadero
    2. BFalso
  6. 6Which restriction(s) applied to Rutherford's model of the atom?
    1. ADid not account for isotopes
    2. BIf model was accurate, electrons should lose energy and collapse into themselves, causing the entire atom to collapse
    3. CDid not account for the behaviour of certain gasses
    4. DModel only works for atoms with one electron
  7. 7The [blank_start]colour[blank_end] of light emitted by an atom is dependent on the [blank_start]size[blank_end] of the quantum jumps that the atom's [blank_start]electrons[blank_end] make.
    1. Acolour
    2. Bsize
    3. Celectrons
  8. 8Who proposed the Uncertainty Principle?
    1. AHeisenberg
    2. BBohr
    3. Cde Broglie
    4. DSchrodinger
  9. 9The Uncertainty Principle states that we cannot know both the [blank_start]position[blank_end] and [blank_start]momentum[blank_end] of a particle at a given time.
    1. Aposition
    2. Benergy
    3. Cmomentum
    4. Dshape
  10. 10What idea about the structure of an atom did Louis de Broglie propose?
    1. AHe came up with the quantum mechanical model of the atom
    2. BHe created equations to indicate the probable location of an atom
    3. CHe hypothesized that the dual-wave properties of light also apply to matter
    4. DNone of the above

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Review test for the Atomic Structure Unit
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English
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