Bohr Model Worksheet
A Grade 12 science worksheet covering the Bohr model of the atom, including its postulates, limitations, and applications.
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Bohr Model Worksheet
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Read each question carefully and provide your best answer. For multiple choice questions, circle the correct option. For short answer and fill-in-the-blank questions, write your answers in the space provided.
1. Which of the following is NOT a postulate of Bohr's atomic model?
Electrons orbit the nucleus in fixed energy levels.
Electrons can jump between energy levels by absorbing or emitting photons.
Electrons emit radiation continuously while orbiting the nucleus.
The angular momentum of an electron is quantized.
2. The Bohr model successfully explained the atomic spectra of which element?
Helium
Hydrogen
Oxygen
Carbon
3. According to the Bohr model, electrons move in specific energy levels called .
4. The Bohr model failed to explain the spectra of atoms with more than one .
5. Describe the main idea behind Bohr's postulate of stationary states.
6. Explain the concept of quantization of energy in the Bohr model.
7. The Bohr model accurately predicts the intensities of spectral lines.
True
False
8. The Bohr model assumes that electrons behave as particles, not waves.
True
False
9. Discuss the limitations of the Bohr model and how later quantum mechanical models addressed these limitations.
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