My 16 year son the chemistry whiz agrees with you. Since I haven't been able to guess one correctly as of yet, I've resorted to asking him. Blair On Fri, 8 Jul 2011 13:41:26 +0100, Alasdair Naisbitt <[log in to unmask]> wrote: >francium? > > >On 8 Jul 2011, at 13:05, David D. Hillman wrote: > >> Hi folks - Here is the Friday Element Quiz Question: >> >> The Question: >> >> This element has no biological role and is never encountered outside >> nuclear facilities. The total world production of this element to date is >> estimated to less than a millionth of a gram. A piece of this element has >> never been seen by the naked eye as its intense radioactivity would >> immediately result in its complete evaporation. The total amount of this >> element found in the Earth's crust is estimated to be less than 30 grams. >> What element is being described? >> --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 16.0 To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives For additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------