Help with Naming Ions and Simple Ionic Formulas

Here are three videos which might help with our current topics:

Naming Ions - How to name ions:

http://www.youtube.com/watch?v=kji_eVdUd9s&playnext=1&list=PLBtNwCRfGXQbFqlSuG-UPvXRMbPZmt6H9&feature=results_video

Naming Ionic Compounds: 

http://www.youtube.com/watch?v=v901aJLEy4U

Formula Writing: Ionic Compounds 

http://www.youtube.com/watch?v=bvFylpHrJJY&feature=autoplay&list=PLBtNwCRfGXQbFqlSuG-UPvXRMbPZmt6H9&playnext=3