Objectives

Section 7A

7.1 Electromagnetic Radiation

    Objectives: describe electromagnetic radiation in terms of wavelength and frequency

7.2 The Nature of Matter

Objectives: define the term quantum; calculate the energy of a wave using Planck's constant and wavelength or frequency; explain the photoelectric effect and relate it to the minimum thresh-hold energy of a wave; describe the dual nature of light

7.3 The Atomic Spectrum of Hydrogen

Objectives: describe a line spectrum in terms of discrete wavelengths; calculate the wavelength of light using Planck's equation

7.3 The Atomic Spectrum of Hydrogen

Objectives: describe a line spectrum in terms of discrete wavelengths; calculate the wavelength of light using Planck's equation

7.4 The Bohr Model

Objectives: describe Bohr's quantum model of the atom; explain why Bohr's model was found to be insufficient; calculate the energy of a hydrogen electron for a given principal energy level

Section 7B 

7.5 The Quantum Mechanical Model of the Atom

Objectives: describe an electron as a standing wave; define orbital and relate it to probability distribution; explain the impact of Heisenberg's uncertainty principle on the atomic model; compare electron density and electron probability 

7.6 Quantum Numbers

Objectives: explain the relationship between quantum numbers and the properties of orbitals

7.7 Orbital Shapes and Energies

Objectives: relate orbital energies to their shapes; describe nodes in atomic orbitals; define the term degenerate when applied to orbitals

7.8 Electron Spin and the Pauli Principle

Objectives: describe the concept of electron spin; explain the Pauli exclusion principle

 Section 7C

7.9 Polyelectronic Atoms

Objectives: explain how the quantum mechanical model of the atom is applied to polyelectronic atoms; define the penetration effect of electrons

7.10 The History of the Periodic Table

7.11 The Aufbau Principle and The Periodic Table

Objectives: use the aufbau principle to explain the shape of the periodic table; relate group number to number of valence electrons

7.12 Periodic Trends in the Atomic Properties

Objectives: describe the trends in the periodic table; define ionization energy and relate the energies to successive ionization energies

7.13 The Properties of a Group: The Alkali Metals

Objectives: describe the information contained in the periodic table; list the important properties of alkali metals; predict the reducing powers of alkali metals from their first ionization energies