Unit 3

7.1 Development of the Periodic Table

• Objectives:

  • SW describe how the modern periodic table was developed

• Text or video: The genius of Mendeleev 

• (Problems 21-22) 

  • Solutions

7.2 Effective Nuclear Charge

• Objectives: Video or text (edpuzzle)

  • Describe what Effective Nuclear Charge is as well as how to calculate it

  • Describe why E.N.C. is important

• Problems 21-22

  • Solutions

• Helpful video: Effective nuclear charge

7.3-5   PT Trends

• Objectives: (videos below)

  • SW describe the patterns that emerge as a result of the organization of the periodic table and the underlying reason for these patterns (atomic radii, size of ions, electron affinity and ionization energy)

  • SW use these patterns to predict the properties of related elements

• Videos (or text)

  • 7.3 Sizes of Atoms and Ions  (edpuzzle)

  • 7.4 Ionization Energy (edpuzzle)

  • 7.4b Electron Configuration of Ions (edpuzzle)

  • 7.5 Electron Affinities (edpuzzle)

• Problems 21-22

  • Solutions

• Chemquiz Practice

• Periodic table lab

• Helpful videos: The periodic table trends, Exceptions to the trends 

7.6-7.7 M's, NM's and M'oids + trends

• Objectives: (text)

  • SW describe the general characteristics of metals, nonmetals and metalloids.

  • SW apply trends in Active metals to predict properties

• Problems 21-22

  • Solutions

7.8 NM trends

• Objectives: (text)

  • SW describe trends and patterns of reactivity for nonmetals

• Problems 21-22

  • Solutions

Presentation used for the videos8.1 Bonds, Lewis symbols, octet rule

• Objectives: (Video) (edpuzzle)

  • SW describe the different types of chemical bonds, evaluate electron configurations, draw lewis dot diagrams and apply the octet rule while being aware of its limitations.

• Text: 

  • Covalent Bonding

• Chemquiz Practice

8.2 Ionic Bonding

• Objectives: (videos below)

  • Describe what happens during the formation of an ionic bond

  • Describe how electron configurations change for metals, nonmetals and transition metals during the formation of ionic bonds

  • Describe the process of ionic bonding and evaluate Born-Haber Cycle Diagrams to determine lattice energies

• Videos

  • 8.2a Ionic Bonding and Electron Configurations (edpuzzle)

    • Text

  • 8.2b Born Haber Cycle- Energy of ionic bondinding (edpuzzle)

    • Text

• Problems 21-22

  • Solutions

• Helpful video: Born-Haber Cycle explanation

8.3 Ionic Bonding, Covalent Bonding

• Objectives: (video or text) (edpuzzle)

  • SW describe various properties of covalent bonds (bond strength, distance, etc) and predict bond polarities based on electronegativities.

• Problems 21-22

  • Solutions

• ChemQuiz Practice

8.4 Bond Polarity

• Objectives: Video or text (edpuzzle)

  • Describe what is meant by bond polarity

  • Predict bond polarities based on electronegativities of the bonding elements

  • Describe bond polarity in terms of dipole moments

• Problems 21-22

  • Solutions

• Chemquiz Practice

8.5 Drawing Lewis Structures

• Objectives: (videos below)

  • SW create lewis structures for various molecules, determine the formal charges for the atoms involved and evaluate different possible lewis structures to determine which is more stable.

• Videos:

  • 8.5a How to Draw Lewis Structures (edpuzzle)

    • Text

  • 8.5b Formal Charges and Evaluating Lewis Structures (edpuzzle)

    • Text

  • How to draw Wedge-Dash Structures (edpuzzle)

• Problems 21-22

  • Solutions

• Chemquiz Practice

8.6 Resonance Structures

• Objectives: Video (text) (edpuzzle)

  • SW evaluate when resonance structures exist, determine if one is more stable than another and how their presence affects what the molecule looks like.

• Problems 21-22

  • Solutions

• Helpful Video: Lewis structures: Resonance tutorial

8.7 Exceptions to the Octet Rule

• Objectives: (video) (text) (edpuzzle)

  • Describe the limitations to the octet rule and explain why sometimes having less than, or more than an octet is appropriate

• Problems 21-22

  • Solutions

8.8 Strengths of Cov. Bonds (8.8 AND 5.8 in 14th edition)

• Objectives: (videos below)

  • SW use bond dissociation energies to determine the enthalpy change of chemical reactions.

• Videos

  • 8.8a Strengths of covalent bonds (edpuzzle)

  • 8.8b Bond Enthalpies and Heat of Reactions (edpuzzle)

  • Text

• Problems 21-22

  • Solutions

Ch 8 wrap up

• Objectives:

  • SW have an opportunity to address any issues they have had and wrap up chapter 8

Presentation used for the videos

9.1-9.2 Shapes + VSEPR Model

• Objectives:

  • SW apply the VSEPR Model of molecules to determine and describe the shapes of molecules.

• Videos

  • Molecular Shapes and VSEPR Model (edpuzzle)

  • Shapes Notes Organizer

  • Text

• Molecular Shapes Interactive Lab

• Problems (Problems 21-22)

  • Solutions

• Helpful Videos: VSEPR Model and shapes

9.3 Shape and polarity

• Objectives:

  • SW determine the polarity of molecules based on their shapes determined by the VSEPR model.

• Videos

  • Molecular Shape and Polarity (edpuzzle)

  • Text

• Problems (Problems 21-22)

  • Solutions

• Helpful Videos: Shape and polarity

9.4 Covalent Bonding and Orbital Overlap 

• Objectives:

  • SW describe bonding between atoms in terms of orbital overlap

• Videos

  • Covalent Bonding and Orbital Overlap (edpuzzle)

  • Text

9.5 Hybrid orbitals

• Objectives:

  • SW describe what happens during hybridization and determine the hybridization present in various molecules

• Videos

  • Hybrid Orbitals (edpuzzle)

  • Text

• Problems (Problems 21-22)

  • Solutions

• ChemQuiz SC 9.5a: AXE, Hybridization and Domains

• ChemQuiz SC 9.5b Geometries

• ChemQuiz SC 9.5c Molecular Polarities

• Helpful Video: Hybridization and Orbital overlap (Also goes a little bit into the next topic: Multiple bonds)

Emp. Formula of MgClx lab

• Objectives:

  • SW experimentally determine the empirical formula of Magnesium Chloride

• Empirical formula lab

9.6 Multi. Bonds

• Objectives:

  • SW multiple bonds in terms of sigma and pi bonds, as well as the effect delocalized pi bonds has on the structure of the molecule and determining when they occur.

• Videos

  • Multiple bonds and Hybridization (edpuzzle)

  • Delocalized Electrons (edpuzzle)

  • Text

• Helpful Video: Visualizing Multiple Bonds

• Problems 21-22

  • Solutions

9.7 molecular orbitals

• Objectives:

  • SW explain bonding in terms of molecular orbital theory.

  • SW determine bond order and draw molecular orbital diagrams for diatomic molecules

• Videos

  • Molecular Orbital Theory (edpuzzle)

  • Text

  • Optional videos: Instructional Videos Playlist

• Problems 21-22

  • Solutions 

9.8 2nd row Diatomic molecules

• Objectives:

  • SW accurately create molecular orbital diagrams for second row diatomic molecules

  • SW determine if a molecule is diamagnetic or paramagnetic and describe the properties of each.

• Video

  • 2nd Row Diatomic Molecules (edpuzzle)

  • Paramagnetism and Diamagnetism (edpuzzle)

  • Text

• Problems 21-22

  • Solutions

VSEPR Lab

• Objectives:

  • SW apply VSEPR theory to determine the molecular shape, polarity and hybridization of various molecules.

• How to draw Wedge-Dash Structures

•  VSEPR Lab

  • Simulator to help visualize

  • Lab checker