Chemistry

This is the chemistry web page for Toni Evans.  I will start by working with our unit work schedules, and add other projects as needed.  Please select and copy the agenda at the beginning of the week to keep in your notebook for reference.

Monday 2009-11-02   Ionic Bonds and Ionic Compounds

• Objectives

1. Explain the electrical charge of an ionic compound.
2. Describe the properties of ionic compounds.

• Agenda 

1. Return papers. 
2. Demonstration of electrical properties of ionic compounds.
3. Notes on ionic bonding.
4. Lab: Properties of Solutions: Electrolytes and Non-Electrolytes (With vernier probes) Turn in lab papers  Group A 
5. Review sheets 7.1 and 7.2    Group B
6. Group A and B switch
7. Homework:  Re-read chapter 7     Do not forget--test Wed.

Tuesday 2009-11-03  Bonding in Metals

• Objectives 

1. Model the valence electrons of metal atoms
2. Describe the arrangement of atoms in an ions.
3. Explain the importance of alloys.

• Agenda

1. Turn
2. Return lab papers
3. Notes on Bonding in metals.
4. Lab: Density of metals and alloys. Group A
5. Build a model of a metal. Group B
6. Groups A and B switch.
7. Turn in lab paper and models.
8. Homework: Study for test on Wednesday.   TOMORROW is test day.

1. Return papers. 
2. Short notes on alloys.
3. Complete laboratory activity
4. Homework: Study for test

• Objectives 
  1. Summative assessment on ionic bonding (chapter 7 test)
  2. Formative assessment (pre-test) on covalent bonding (intro to chapter 8)

• Agenda

1. Last questions on chapter 7.
2. Clean your desk except for periodic table (world's greatest), ion sheet, aufbau.  
3. Chapter 7 test
4. Chapter 8 packet.
5. Wrap up density of alloys lab.
6. Homework: Complete lab papers

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Monday 2009-11-09  Molecular compounds

• Objectives 
  1. Summative assessment on ionic bonding (go over chapter 7 test)
  2. Formative assessment (pre-test) on covalent bonding (intro to chapter 8)
  3. Distinguish between the melting and boiling points of molecular compounds and ionic compounds.
  4. Describe the information provided by a molecular formula.

• Agenda

1. Go over Chapter 7 test
2. Chapter 8 pretest.
3. Notes on section 8.1
4. Homework: Review sheet 8.1.  Complete Guided Reading study worksheet for wed.

Tuesday  2009-11-10  Two hour delay and Veterans day activities (no classes)  

Wednesday 2009-11-11  The Nature of Covalent Bonding

• Objectives 

1. Describe how electrons are shared to form covalent bonds and identify exceptions to the octet rule.
2. Demonstrate how electron dot structures represent shared electrons. 
3. Describe how atoms form double or triple covalent bonds.
4. Distinguish between covalent bond and a coordinate covalent bond and describe how the strength of a covalent bond is relate to its bond  dissociation energy.
5. Describe how oxygen atoms are bonded in ozone

• Agenda:

1.  
   1.  Turn in review 8.1 and study guide.
   2. Notes on section 8.2
   3. Practice with ball and stick models.
   4. Practice handout on lewis dot structures for covalent compounds.
   5. Homework:  Review 8.2