We’ve posted 3 New Lessons in Chemistry!  This now completes
the first 16 lessons in Chemistry 1, which will be released
on DVD as the Chemistry 1 Tutor, Volume 1.  The DVD will
be available in a couple of weeks!

Lesson 14 – Ionic Compounds

Lesson 15 – Ionic Compounds with Polyatomic Ions

Lesson 16 – Hydrate Compounds