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CHEM 121 Exam 1 Study Guide: Matter, Measurement, Atomic Structure, and Stoichiometry

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Classification of Matter

  • Types of Matter
    01:34
  • Introduction to General Chemistry Course
    1:44
  • Matter Composition
    04:19

Physical & Chemical Changes

  • Chemical Change Example
    01:52
  • Reversible Changes in Matter
    03:42
  • Physical Change Example
    01:52

Chemical Properties

  • Chemical Properties Example
    01:34
  • Chemical Properties
    03:31

Physical Properties

  • Physical Properties
    02:54
  • Physical Properties Example
    01:41

Metric Prefixes

  • Metric Prefixes Conversion Example
    03:33
  • Metric Prefixes Chart
    03:59
  • Metric Prefixes Usage
    01:16

SI Units

  • SI Units
    02:13
  • Perimeter, Area, Volume
    03:47

Significant Figures

  • Significant Figures Example
    01:09
  • Significant Figures Rules
    04:40

Conversion Factors

  • Weight Conversion Example
    03:45
  • Conversion Factors Example
    02:12
  • Conversion Factors
    01:56

The Atom

  • The Nucleus
    02:53
  • Atom Structure
    02:10
  • Atom Structure Example
    02:52

Subatomic Particles

  • Subatomic Particles
    05:19
  • Atomic Mass Unit Example
    03:31

Isotopes

  • Isotopes
    04:36
  • Isotope Notation Example
    03:57

Atomic Mass

  • Calculating Abundance Example
    5:41
  • Greatest Atomic Mass Example
    02:06
  • Calculating Atomic Mass
    00:40

Periodic Table: Classifications

  • Nonmetal Properties
    01:12
  • Periodic Table Classifications
    02:40
  • Metalloid Properties
    03:37

Periodic Table: Element Symbols

  • Periodic Table History
    04:01
  • Halogen Example
    01:01

Periodic Table: Charges

  • Unlikely Ion Example
    01:52
  • Main Group Element Charges
    07:38
  • Main Group Element Charges Example
    00:48

Empirical Formula

  • Empirical Formula Calculation Example
    5:39
  • Empirical vs Molecular Formula
    02:26

Molecular Formula

  • Molecular Formula Calculation Example
    6:53
  • Determining Molecular Formulas
    02:08

Ions

  • Ion Formation
    06:17
  • Cation Subatomic Particles Example
    02:22
  • Atoms vs. Ions
    01:36

Polyatomic Ions

  • Polyatomic Cations
    01:16
  • Polyatomic Ion Example
    01:08
  • Polyatomic Oxyanion Names
    01:26

Naming Ionic Compounds

  • Base Names of Nonmetals
    01:52
  • Naming Ionic Compounds Example
    01:01
  • Ionic Compounds Naming
    02:11

Naming Ionic Hydrates

  • Ionic Hydrates Naming
    02:04
  • Ionic Hydrate Naming Example
    02:07

Naming Acids

  • Acids and Their Structure
    02:15
  • Rules for Naming Oxyacids
    02:49
  • Naming Binary Acids Example
    02:21

Naming Molecular Compounds

  • Naming Molecular Compounds
    02:06
  • Naming Molecular Compounds Example
    01:21

Isomers

  • Isomers
    02:16
  • Isomers Example
    02:28
  • Stereoisomers
    01:56

Naming Alkanes

  • Rules for Naming Alkanes
    02:39
  • Naming Alkanes Example
    01:20

Naming Alcohols

  • Rules for Naming Alcohols
    01:10
  • Naming Alcohols Example
    03:21

Balancing Chemical Equations

  • Balancing Chemical Equations
    01:32
  • Balancing Chemical Equations Example
    03:50

Stoichiometry

  • Stoichiometry Example
    3:54
  • Stoichiometry Concept
    01:16
  • Stoichiometric Chart Concept
    03:04

Limiting Reagent

  • Limiting Reagent Example
    4:53
  • Limiting Reagent Concept
    01:30
  • Limiting Reagent in Reactions
    01:34

Percent Yield

  • Percent Yield in Reactions
    03:09
  • Percent Yield Example
    04:43

Mass Percent

  • Mass Percent Example
    1:22
  • Mass Percent Calculation
    00:38

Calculating Molar Mass

  • Molar Mass Concept
    02:11
  • Molar Mass Calculation Example
    03:12

Mole Concept

  • Moles and Particles Conversion
    02:41
  • Moles to Molecules Conversion Example
    01:41
  • Formula Unit Example
    01:28

Law of Conservation of Mass

  • Law of Conservation of Mass Example
    01:20
  • Law of Conservation of Mass
    01:48

Law of Definite Proportions

  • Law of Definite Proportions Example
    1:59
  • Law of Definite Proportions Example
    2:23
  • Law of Definite Proportions
    02:48

Law of Multiple Proportions

  • Law of Multiple Proportions
    03:32