°Welcome!
Hello, Tomaxer, and welcome to Wikipedia! Thank you for your contributions. I hope you like the place and decide to stay. Here are some pages that you might find helpful:
I hope you enjoy editing here and being a Wikipedian! Please sign your name on talk pages using four tildes (~~~~); this will automatically produce your name and the date. If you need help, check out Wikipedia:Questions, ask me on my talk page, or ask your question and then place {{helpme}}
after the question on your talk page. Again, welcome!
Also, I wanted to say thanks for the contributions you are making to chemistry articles. If you haven't seen it already, you're welcome to join the chemistry-related projects such as Wikipedia:WikiProject Chemicals and Wikipedia:WikiProject Chemistry. --Ed (Edgar181) 23:24, 10 April 2007 (UTC)