balancing+equations

Passive aggressive "Octet rule" search :)

editors note: Part 3 #5 should be bisulphATE. That one got past a lot of people! Thanks to Tracy from Moscrop for the find. Will fix and re-upload soon.

[|phet simulation]

Super cool interactive balancing tutorial

Same website, practice problems with a neat visual

Another interactive balancing page

2nd page

3rd page