User talk:12.109.5.57

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Please stop removing content from Wikipedia; it is considered vandalism. If you want to experiment, please use the sandbox. Thank you. - Dharmabum420 09:10, 9 January 2006 (UTC)

[edit] Your edit to nitrogen oxide

You recently changed every occurrence of HCN to HCn in the article nitrogen oxide. You should note that HCN is the molecular formula of hydrogen cyanide, and HCn is not. In fact, HCn has no meaning and is never used in chemistry.

Ben 10:30, 18 March 2007 (UTC)