Chap 6: Electronic Structure and the Periodic Table

Goals: Chapter 6.1 Light, Photons Energies, and Atomic Spectra

• Calculate wavelengths from frequencies and vice versa for light
• Determine the energy of a photon
• Know which end of the electromagnetic spectrum is the low energy end and which is the high energy end
• Describe how line spectra support the idea that the energy of an electron is confined to specific levels for a given atom

Chapter 6.2 The Hydrogen Atom

• Describe how Bohr constructed his model of the H atom
• Understand that quantum mechanics works by treating the electron as a wave
• Describe the trade off between kinetic energy of an electron as it gets closer to the nucleus and the potential energy of an electron as it gets closer to a nucleus

Goals: Chapter 6.3 Quantum Numbers

• Be able to recognize allowed and allowed combinations of quantum numbers
• Compare Bohr's idea about quantum numbers to the quantum numbers produced by quantum mechanics
• Be able to determine orbital type from a set of quantum numbers

Goals: Chapter 6.4 Atomic Orbitals; Shapes and Sizes

• Recognize orbital type (s, p, d, f) from graphic representations
• Sketch s, p, and d orbitals
• Compare orbitals that have identical l values but different n values (Compare orbitals from different rows of the periodic table)

Goals: Chapter 6.5 Electron Configurations in Atoms

• Determine ground state electron configurations for neutral atoms and ions
• Recognize excited state electron configurations

Goals: Chapter 6.6 Orbital Diagrams of Atoms

• Draw energy level diagrams for atoms and ions
• Explain the distribution of electrons in energy level diagrams (pair vs unpaired electrons in degenerate orbitals)
• Recognize energy level diagrams that represent excited states

Goals: Chapter 6.8 Periodic Trends in the Properties of Atoms

• Use trends to compare the properties (ionization energy, size, and electronegativity) of atoms
• Explain the trends using electron configurations, nuclear charge, shielding, and distance

Goals: Chapter 6.7 Electron Arrangements in Monatomic Ions

• Determine the likely charges for main group ions
• Explain the likely charges of main group ions using electron configurations
• Describe the difference between valence and core electrons