POLYATOMIC CATIONS AND ANIONS

Following are several videos that explain polyatomic ions:

1. http://www.youtube.com/watch?v=oSP_7AS5mRE

2. http://videos.howstuffworks.com/hsw/22643-compounds-polyatomic-ions-video.htm

This video shows an interesting and creative way to remember the polytomic atoms:

http://www.wimp.com/polyatomicions/

CHEMISTRY 108 BASICS...CONVERSIONS TO MOLES

Following are a few sites that have a pretty good breakdown of the basics we need to know:

Unit conversions:
http://www.wisc-online.com/objects/index_tj.asp?objID=GCH2604

Structure of an atom:
http://www.wisc-online.com/objects/index_tj.asp?objID=GCH904

Periodic table, atomic symbols and mass number:
http://www.wisc-online.com/objects/index_tj.asp?objID=GCH6004
http://www.wisc-online.com/objects/index_tj.asp?objID=GCH3404
http://www.wisc-online.com/objects/index_tj.asp?objID=GCH6004

Isotopes:
http://www.wisc-online.com/objects/index_tj.asp?objID=GCH3504


Introduction to moles:
http://www.wisc-online.com/objects/index_tj.asp?objID=GCH2304
http://www.wisc-online.com/objects/index_tj.asp?objID=GCH2304
http://www.youtube.com/watch?v=AsqEkF7hcII&feature=SeriesPlayList&p=166048DD75B05C0D&index=11

http://www.chemteam.info/Mole/Mole.html

conversions between mass and moles of an element:
http://www.wisc-online.com/objects/index_tj.asp?objID=GCH4104