Tuesday, February 13, 2007

2/13/2007

Homework Chapter 7 #9,,1,13,14,20,23,29,30,33,34

Also quick correction: All elements in an isoelectronic have the same number of electrons

Example: Na +1, Mg 2+ and Al 3+ all have 10 electons, so they are isoelctronic.

Monday, February 05, 2007

2/5/2007

Your homework is to study for the chapter 6 quiz on Wednesday. Make sure you can write electron configurations, work with quantum numbers, and deteremine the number of unpaired electrons given the configuration. Be able to identify an element from its configuration.