User talk:203.10.121.84

This message is regarding the page General Chemistry/History of Atomic Structure. Please refrain from adding nonsense to Wikibooks. It is considered vandalism. If you would like to experiment, use the sandbox. If this is an IP address, and it is shared by multiple users, ignore this warning if you did not make any unconstructive edits. Az1568 06:05, 26 October 2006 (UTC)