advanced level of English Hello Deryck it amused me to find you been responsible for some of the English chemistry articles on here since I obviously know you already from webelements com it is indeed a small world I don t want to be rude but are you sure you should consider yourself to have an advanced level of English Over the years reading your postings I find many of your grammatical sentence constructions a little erm idiosyncratic Also please go easy on us homosexualists eh PSML Love