Tuesday, Feb. 25th: “A” DayWednesday, Feb. 26th: “B” Day (1:05

out)Agenda

Homework questions/collect Lewis dot structure practice on iPadsLewis dot structure quiz (last 25 min)

Next time:Sec. 6.2 quizLab Write-up

Movie

Homework- Practice pg. 205: #1,2

- Sec. 6.2 review, pg. 207: #1-10

Lewis Dot Structure PracticeiPads

The iPads will be assigned alphabetically by last name. Remember your number because you’ll get the same iPad every time we use them this semester…

Lewis Dot Structure PracticeiPads

Go to “Safari” on the bottom, this is the internet connection.

Google search “lewis dot st olaf”The website you want is:

www.stolaf.edu/depts/chemistry/courses/toolkits/123/js/lewis/

Click on this link (it should be the 1st one listed)

Lewis Dot Structure PracticeiPads

Your assignment is to choose 10 different compounds (or ions) from the dropdown menu and construct their Lewis structures.

Examples:Ammonia, NH3

Acetate Ion, CH3COO-

**Remember to use [ ] for ions and include the charge!**

Lewis Dot Structure PracticeiPads

Construct a table for all 10 compounds (or ions) as follows:

Name Formula Lewis Structure1.Ammonia NH3

2. Acetate ion CH3COO-

Lewis Dot Structure PracticeiPads

When you’ve finished your 10 compounds, go to the “Lewis Dots” app and construct some of the compounds that you’ve just made.

“Lewis Dots” Hints: The iPad must be in the vertical orientation for

this app.Place your finger over the lone electron on the

atom you want to bond and drag it over the lone electron on the other atom; a bond should form.

Lewis Dot Structure Quiz

Use your notes and book to complete the Lewis dot structure quiz on your own.

May the force be with you!