HONC 1234

Goal:
Draw structural formulas using the HONC 1234 rule.

Agenda:

Warmup

Practice

Exit Ticket

Warmup

On the paper I give you, do the following with your elbow partner:

1. On the bottom of the paper, draw the Lewis dot structures for C, O and H. Forget what those are??….grab your periodic tables and see if you can figure them out!!
2. On your Lewis dot structures, highlight which electrons you think are bonding in blue and nonbonding in yellow. (Hint: of the three only oxygen has non-bonding electrons)
3. Write a chemical formula for the molecule. Name this molecule.
4. Highlight the NON-POLAR covalent bonds yellow, POLAR covalent blue.  Why are there no ionic bonds here?
5. Draw the dipole moments for each bond +-->
6. Compare the Lewis dot structures and the structural model. Where are the bonding valence electrons represented on the structural model? Draw them in. 
7. Add the non-bonding electrons to the structural model. 
8. Using the model kit what atoms do you think the red, black, and yellow balls represent?  How do you know that? Write this on the back of your paper.

Practice

1. Open this worksheet in Notability.
2. Complete the worksheet

Exit Ticket

On the provided paper draw a structure for the molecule C2H6O

Compounds in Water

Goal:
Compare and contrast salts and molecules based on their behavior in water.

Agenda
Define Polar
Dipoles and Charges
Pre-Lab and Lab

Define Polar

1. Read this comic.
2. On whiteboards create a Frayer model (definition, characteristics, examples, and nonexamples) for the  word "Polar."
3. Take a picture of your whiteboard.

Dipoles and Charges
We are going to add dipoles and charges to Part 2 of yesterday's worksheet. 

Pre-Lab and Lab

1. Create a new journal entry entitled "Compounds in Water."
2. Select all, copy, and paste this document into your science journal. 
3. Complete the pre-lab (Simulation and Hypothesis).
4. Complete the lab.
5. Complete the discussion.

Bond Types

Goal:
Use electronegativity to predict whether atoms will form ionic or covalent (polar or nonpolar) bonds.

Agenda
ACT Practice
Notes
Practice
Journal

ACT Practice
You have 10 minutes to answer the ACT practice questions. After we will debrief and discuss challenges and strategies.

Notes
Create a new journal entry entitled "Bond Types." Answer the questions:

• Why do atoms bond?
• Define the following bonds and explain when they occur. 
• Ionic Bond
• Polar Covalent Bond
• Nonpolar Covalent Bond

Practice

Make a copy of this worksheet and complete in class. 

Journal

In your journal, answer the following questions:

1. Identify the metallic character of magnesium and chlorine.
2. Calculate the electronegativity difference between magnesium and chlorine. 
3. Write a CER explaining whether you think MgCl2 is ionic, nonpolar covalent, or polar covalent. Use the answers to questions 1 and 2 as evidence. 

Salts vs. Molecules

Goal:
Contrast salts and molecules in terms of bond type, description of electrons, metallic character of atoms, structure, behavior in water, and examples.

Agenda:
Warmup
Review
Graphic Organizer

Warmup
Create a new entry in your journal entitled "Salts vs. Molecules." Answer the following questions:

• Where are metals on the periodic table? Nonmetals?
• Electronegativity trends?
• Are metals or nonmetals more electronegative?

Review

Go to Kahoot

Graphic Organizer

1. In your science journal under your warmup create a table with 3 columns and 6 rows.
2. In columns 2 and 3, write the words "Salts" and "Molecules"
3. Carefully read today's learning objective and use this information to fill in the rows in column 1.
4. Use these slides and research as necessary to complete your graphic organizer.