Question 1
Alpha-particles:
Are sometimes given off during radioactive decay.
Are much larger than electrons.
Can be detected.
All of the above.
None of the above.
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Question 2
In the Gold Foil Experiment the alpha-particles:
All go straight through and hit the detector.
None of them get through to the detector.
Some bounce back away from the detector.
All of the above.
None of the above.
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Question 3
The raisin pudding theory can explain the results of the Gold Foil Experiment.
True
False
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Question 4
The results of the Gold Foil Experiment led them to believe that there must be a hard, dense part of the atom.
True
False
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Question 5
The results of the Gold Foil Experiment led them to believe that electrons orbit around the nucleus like planets around the sun.
True
False
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Question 6
Rutherford proposed that electrons orbit around a large positive nucleus.
True
False
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Question 7
The solar system model was the first atomic model.
True
False
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Question 8
Neutrons were discovered due to the Gold Foil Experiment.
True
False
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Question 9
Electrons orbit around the nucleus like planets orbit around the sun.
True
False
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Question 10
The solar system model completely agrees with experiment.
True
False
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Question 11
The solar system model of the atom only lasted about 12 years.
True
False
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