(idea) by BUBU Sat Nov 13 1999 at 9:48:55
one, two or three letters that denote a chemical element (H=Hydrogen, He=Helium, O=Oxygen). used in the expression of chemical reactions like
2H2 + O2 -> 2H2O
See also the Periodic table.
del.icio.us Facebook Digg StumbleUpon Reddit (I like it!)
Y'know, if you log in, you can write something here, or contact authors directly on the site. Create a New User if you don't already have an account.