Tuesday 12/16/2008 11:05:23pm Name: Jennifer W Homepage: E-Mail: Referred By: Just Surfed In City/Country: USA Comments: thanks for the puzzle, it's helping me a lot!

Tuesday 11/11/2008 4:14:37pm Name: emma_ghane@hotmail.com Homepage: E-Mail: Referred By: Friend City/Country: Oshawa, Canada Comments: for studying chemistry

Monday 06/09/2008 2:26:48pm Name: angel Homepage: http://ballesteros E-Mail: gandasha_09@yahoo.com Referred By: Just Surfed In City/Country: manila/philippines Comments: This site is cool. I think the stuffs here are very useful to students that are taking chemistry. Thanks.

Tuesday 01/15/2008 5:19:24pm Name: DAVE MCWHINNIE Homepage: E-Mail: dmcwhinn@pcs.k12.mi.us Referred By: Web Ring City/Country: Pinckney, USA Comments: I don't know if I'm doing anything wrong or not, but when my class was doing the puzzle we noticed that in order to make a compound like calcium hydroxide we had to turn one of the hydroxides upside down. Is that right or are we doing something wrong. [Ed. That's fine]

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