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Questions and Answers
What is the primary significance of electron energy levels in the Bohr model?
What is the primary significance of electron energy levels in the Bohr model?
What is the formula for the energy levels in the Bohr model?
What is the formula for the energy levels in the Bohr model?
What happens to the energy level of an electron as the principal quantum number (n) increases?
What happens to the energy level of an electron as the principal quantum number (n) increases?
What is the result of an electron moving from a higher energy level to a lower energy level?
What is the result of an electron moving from a higher energy level to a lower energy level?
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What is a limitation of the Bohr model?
What is a limitation of the Bohr model?
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What is the term for the grouping of energy levels into specific numbers of electrons?
What is the term for the grouping of energy levels into specific numbers of electrons?
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What is the result of an electron moving from a lower energy level to a higher energy level?
What is the result of an electron moving from a lower energy level to a higher energy level?
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What is a characteristic of energy levels in the Bohr model?
What is a characteristic of energy levels in the Bohr model?
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What is the significance of electron energy levels in explaining the emission and absorption spectra of atoms?
What is the significance of electron energy levels in explaining the emission and absorption spectra of atoms?
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Study Notes
Electron Energy Levels in the Bohr Model
Key Concepts
- Energy levels are discrete and distinct, with electrons occupying specific energy levels around the nucleus
- Principal quantum number (n) represents energy levels
Characteristics of Energy Levels
- Energy levels are quantized, having specific values
- Energy levels are calculated using the formula: En = -13.6 eV / n^2
- As principal quantum number (n) increases, energy level increases, and the electron moves further away from the nucleus
- Energy levels are grouped into shells, with each shell having a specific number of electrons
Energy Level Transitions
- Electrons emit energy in the form of photons when moving from a higher to a lower energy level
- Electrons absorb energy when moving from a lower to a higher energy level
- Energy level transitions occur when an electron gains or loses energy
Limitations of the Bohr Model
- Fails to account for electron spin
- Fails to account for the Zeeman effect (splitting of spectral lines in a magnetic field)
- Fails to account for the Stark effect (splitting of spectral lines in an electric field)
Significance of Electron Energy Levels
- Explains the emission and absorption spectra of atoms
- Provides a fundamental understanding of atomic structure and energy
- Lays the foundation for more advanced models of the atom, such as the quantum mechanical model
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Description
Understand the basics of electron energy levels in the Bohr model, including energy level quantization and the principal quantum number. Learn how energy levels are represented and calculated.