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Chemistry 20 
Chemistry 20 reviews the fundamentals of chemistry 
The goal for the course is to make a connection between theroretical chemical analysis and actual laboratory findings.  
 
 
 
 
 
Course Outline
 
Links Chapters
Unit #1  
 Elements &  Atoms      
Review of Grade 9 and 10 science  

Historical Structure of the Atom 

Atomic Number, Atomic Mass 
Isotopes, Radioactivity 

Periodic Table 
     - families and periods 
     - electron configuration 
     - trends : atomic size,  ion 
       size, electron affinity, 
       electronegativity, 
       ionization energy 
 

 

 

 

Read Chapters 4,5 

Drill and Practice 

Homework #2 

Homework #8 

Lecture Notes #14 

 Problem Set #14 

Concept Tests at Wisconsin 

Images of Atoms from IBM 

Wavelength, frequency, and energy (DP)#7a 

Atomic Spectrum of Hydrogen (WP)#7b 
 

Lecture Notes #16 

Problem Set #15 

Lecture Notes #17 

Electronic Structures of Atoms and Ions (WP)#8a 

The Quantum Numbers (WP)#8b 

Problem Set #16 

Lecture Notes #18 
 

Unit #2  
Compounds & Molecules 

Naming and Writing Formulas 

Ionic and Covalent Bonding 

Molecular Masses and Percentage Composition 

States of Matter (s) (l) (g) (aq) 

Writing Chemical Equations 
Chemical Reactions 
      - signs of a reaction 
      - types of reactions 
      - predicting products of a 
          reaction 
 

 

 

 

Read Chapters 5,7 

Formulas/Name Practice 

Name/Formula Practice 

Homework #3 

Element Moles and Mass Practice 

Homework #9

Unit #3 
Stoichiometry & the Mole 

Writing a Balanced Chemical Equation 

Significant Figues and Scientific Notation 
 

The Mole Concept 
Avogadro's Number 
1 mole  is 6.02 x 1023 particles 
 

Anaytical Chemistry 
Laboratory Procedures 
**Stoichiometric Problems ** 
 

 

 

 

Read Chapters 6,8 

Stoichiometry Worksheet

Balancing Chemical Reactions(DP) #5a 

Problem Set #4 

Homework#1 

Molarity, Mass, Volume (DP) #5g 

Molarity Mass, Volume (DP) #5h 

Homework #4 

Limiting Stoic Practice(DP) #5c 

Lecture Notes #4 

Lecture Notes #5 

Mass Relationship in Chemical Reaction (DP)#5c 

Calculations Based on Percent Yields (DP) #5d 

Combining Limiting Reagent and Percent Yield (DP) #5e 

Combustion Analysis (DP) #5f 

Problem Set #6 

Problem Set #7

Unit #4 
Energy &  
Chemical Reactions 

Exothermic and Endothermic Reactions     

Enthalpy  Q=mc^T  ,   Q=n^H 
 

Read Chapters 

Lecture Notes #10 

Drill and Practice 

Homework #6 

Heat and Temperature Changes for Water (DP)#6a 

Heat Transfer - Water (DP)#6b 

Heat Transfer - Water and Another Subsatance (DP)#6c 

Problem Set #9 

Problem Set #11 

Lecture Notes #11 

Problem Set #12 

Lecture Notes #12 

Lecture Notes #13 

Lecture Problem #13 

Hess' Law (DP)#6d 

Concept Test at Wisconsin 

Using Bond Energies 

Using Heats of Formation 

The Thermalchemical Equation(WP)#6e 

Problem Set #13 
 
 
 

Unit #5 
Solutions 

Solutions - Ions 

Solubitlity 
                                Concentration  C=n/V 
 

 

 

Read Chapters 

Homework #5 

Lecture Notes #6 

Lecture Notes #7 

Lecture Notes #8 

Lecture Notes #9 

Problem Set #8 

Solutions Test

Unit #6 
Gas Laws 
 

Read Chapters 

Homework #12 

Lecture Notes #23 

Boyle's Law(DP)#12a 

Charles' Law(DP)#12b 

Avogadro's Law(DP)#12c 

Combined Gas Law (DP)#12d 

Problem Set #21 

Lecture Notes #24 

The Ideal Gas Equation(WP)#12e 

The Complete Gas Law Page (WP,DP)#12f 
 

Unit #7 
Structure of a Compound   

Intermolecular Bonds and Forces 

Electronegativity Differences - Bond Types 

Read Chapters13,14 

Homework #7 

Homework #10

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