Unit+III-Atomic+Theory,+Nuclear+Chemistry,+&+Bonding

__Learning Objectives__
 * Unit III: Atomic Theory, Nuclear Chemistry & Bonding (Part One) **
 * Identify characteristics of and perform calculations with frequency and wavelength
 * Know the relationship between types of electromagnetic radiation and energy
 * Know what exhibits continuous and line spectra
 * Know what each of the four quantum numbers (//n//, //l//, //ml//, and //ms//) represents
 * Identify the four quantum numbers for an electron in an atom
 * Write the complete and abbreviated electron configurations as well as orbital diagrams for an atom or an ion of an element
 * Identify the number and location of the valence electrons in an atom
 * Apply the trends in atomic properties such as atomic radii, ionization energy, electronegativity, electron affinity, and ionic size
 * Know the relative size of ions
 * Identify the products of nuclear transformation processes
 * Interconvert between the half-life of a nuclide and the amount of that nuclide remaining after a specific amount of time
 * Be familiar with critical mass, fusion/fission, mass defect, binding energy, nucleon, strong nuclear force, differences in penetrating power, and the ionizing ability of alpha, beta and gamma radiation
 * Use a graph to predict the type of decay that will occur

__Problem Set #3.1__
 * Chapter 7—15, 31, 35, 39, 59, 65, 67, 73, 79, 85, 87, 89, 101
 * Chapter 8—15, 33, 35, 39
 * Chapter 18—11, 13, 25, 33, 53

Atomic Theory Quiz: http://www.classmarker.com/online-test/start/?quiz=h3b5074e00e3bee1

__Assignments:__

** Unit III: Atomic Theory, Nuclear Chemistry & Bonding (Part Two) ** __Learning Objectives__
 * Know the characteristics of ionic and covalent bonding
 * Know how to use electronegativity to predict the polarity of covalent bonds
 * Know how to draw Lewis symbols for atoms and Lewis structures from molecular compounds and polyatomic ions
 * Know how to draw resonance structures
 * Know how to assign molecular shapes using the VSPER Theory for molecules and polyatomic ions
 * Know how to assign hybrid orbitals to central atoms of molecules and polyatomic ions
 * Know how to compare bond lengths in molecules

__Problem Set #3.2__
 * Chapter 8 → 22, 27 (skip “differences”) 67, 73*, 81, 87, 91, 95
 * Chapter 9 → 15, 17, 21, 27

(b) OCN-: 3 structures; SCN-: 3 structures; N3-: 3 structures (c) O3: 3 structures; SO2: 2 structures; SO3: 3 structures
 * (a) NO2: 2 structures; NO3-: 3 structures; N2O4: 4 structures

__Assignments:__

Great website for Molecular Geometry and Polarity: http://www.tutor-homework.com/Chemistry_Help/Molecular_Geometry/Polar_Or_Nonpolar.html