Log in to www.chemthink.com  (you all should already have a username/password).  If you have not already created a username/password, you will need the following code to create a username:  3042 3452 4340 .   NOTE:  Make sure that you use your nickname as your “First Name”.  I WILL DELETE YOUR ACCOUNT if you do not use your nickname!

Complete the “Ionic Bonding” tutorial, then the question set.  If you are finished, complete the “Ionic Formulas” tutorial and question set.

NOTE:  If you attempt the test more than 5 times, you will be given an alternative assignment!  After the 3rd time failing the test, you need to study more!  By the way, the web site will tell me how many times you have completed the test, and the tutorial.