Chapter 30 Powerpoint
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This document discusses the nature of atoms and subatomic particles. It covers Rutherford scattering experiments which showed that atoms have a small, dense nucleus. It also describes the line spectra of elements and Bohr's early model of the hydrogen atom which explained electron energy levels and transitions that produce spectral lines. Later, de Broglie suggested standing particle waves could explain Bohr's assumption that angular momentum is quantized.
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Chapter 30 Powerpoint
- 1. Chapter 30 The Nature of the Atom
- 2. 30.1 Rutherford Scattering and the Nuclear Atom In its natural state, an atom is electrically neutral.
- 3. 30.1 Rutherford Scattering and the Nuclear Atom A Rutherford scattering experiment.
- 4. 30.2 Line Spectra The individual wavelengths emitted by two gases and the continuous spectrum of the sun.
- 5. 30.2 Line Spectra The Line Spectrum of Hydrogen Lyman series Balmer series Paschen series
- 6. 30.3 The Bohr Model of the Hydrogen Atom In the Bohr model, a photon is emitted when the electron drops from a larger, higher-energy orbit to a smaller, lower energy orbit.
- 7. 30.3 The Bohr Model of the Hydrogen Atom THE ENERGIES AND RADII OF THE BOHR ORBITS
- 8. 30.3 The Bohr Model of the Hydrogen Atom Radii for Bohr orbits Angular momentum is quantized.
- 9. 30.3 The Bohr Model of the Hydrogen Atom Bohr energy levels
- 10. 30.3 The Bohr Model of the Hydrogen Atom ENERGY LEVEL DIAGRAMS
- 11. 30.3 The Bohr Model of the Hydrogen Atom Example 3 The Ionization Energy of Li 2+ Li 2+ is a lithium atom ( Z=3 ) with only one electron. Obtain the ionization energy of Li 2+ .
- 12. 30.3 The Bohr Model of the Hydrogen Atom THE LINE SPECTRA OF THE HYDROGEN ATOM
- 13. 30.4 De Broglie’s Explanation of Bohr’s Assumption About Angular Momentum De Broglie suggested standing particle waves as an explanation for Bohr’s angular momentum assumption.