Multiple-choice questions (MCQs) about the Thomson model of the atom:
1. Who proposed the Thomson model of the atom?
- A. Ernest Rutherford
- B. J.J. Thomson
- C. Niels Bohr
- D. John Dalton
2. In what year was the Thomson model of the atom proposed?
- A. 1897
- B. 1904
- C. 1911
- D. 1926
3. What is another name for the Thomson model of the atom?
- A. Solar System Model
- B. Plum Pudding Model
- C. Nuclear Model
- D. Quantum Mechanical Model
4. According to the Thomson model, the atom is composed of electrons embedded in a sphere of:
- A. Negative charge
- B. Positive charge
- C. Neutral charge
- D. Electromagnetic fields
5. In the Thomson model, the electrons are thought to be:
- A. Stationary within the atom
- B. Orbiting the nucleus
- C. Moving randomly within the positive sphere
- D. Bound tightly in a fixed position
6. Which of the following experiments led to the downfall of the Thomson model?
- A. Cathode ray tube experiment
- B. Oil drop experiment
- C. Gold foil experiment
- D. Photoelectric effect experiment
7. What did the Thomson model fail to explain about atomic structure?
- A. The existence of electrons
- B. The mass of the atom
- C. The results of the gold foil experiment
- D. The nature of chemical bonds
8. According to the Thomson model, the atom’s overall charge is:
- A. Positive
- B. Negative
- C. Neutral
- D. Variable
9. Which of the following describes a limitation of the Thomson model?
- A. It did not include a nucleus.
- B. It could not explain the stability of atoms.
- C. It could not explain the spectral lines of hydrogen.
- D. All of the above
Answers:
1. B. J.J. Thomson
2. B. 1904
3. B. Plum Pudding Model
4. B. Positive charge
5. A. Stationary within the atom
6. C. Gold foil experiment
7. C. The results of the gold foil experiment
8. C. Neutral
9. D. All of the above
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