GCSE Physics – Models of the atom
Learning Objectives
-I can describe how and why a scientific model changes over time
-I can describe the plum pudding model of the atom
-I can explain why Rutherford’s experiment that disproved the plum pudding model
-I can describe how Bohr adapted the model of the atom
-I can recall what Chadwick added to the model of the atom
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- Current
- Review
- Answered
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1. Question
What has happened to the model of the atom over time?
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2. Question
Why do scientific models change over time?
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3. Question
What were atoms first thought to be?
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4. Question
Which sub-atomic particle was discovered first?
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5. Question
Which sub-atomic particle was discovered last?
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6. Question
What model was developed when the electron was discovered?
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7. Question
What did the plum pudding model suggest about the atom?
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8. Question
What did the plum pudding model suggest about electrons?
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9. Question
Why was the model called plum pudding?
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10. Question
What charge did Rutherford say the nucleus has?
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11. Question
What experiment involved gold foil?
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12. Question
Who carried out the alpha particle scattering experiments?
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13. Question
What did the alpha particle experiment show?
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14. Question
What else did the alpha particle experiment show?
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15. Question
What did Niels Bohr do?
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16. Question
How did Bohr change the nuclear model?
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17. Question
What is the name for electron energy levels?
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18. Question
What was then discovered about the nucleus?
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19. Question
What name was given to positive particles in the nucleus?
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20. Question
Who carried out further work on the nucleus after the proton was discovered?
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21. Question
What did James Chadwick discover?
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22. Question
When were neutrons discovered?
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23. Question
What is the most recent atomic model?
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24. Question
What is a difference between the plum pudding and nuclear model?
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25. Question
What is a difference between the plum pudding and nuclear model?