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Fri, 9 Jul 2010 07:53:13 -0700 |
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is it flourene?
Chuck Brummer
3M Manufacturing Engineer
8357 Canoga Ave.
Canoga Park, CA 91304-2605
(818) 734-4930
From:
"David D. Hillman" <[log in to unmask]>
To:
[log in to unmask]
Date:
07/09/2010 05:40 AM
Subject:
[TN] NTC Friday Element Quiz
Sent by:
TechNet <[log in to unmask]>
Hi folks - here is the Friday Element Quiz:
The Question:
This element was first discovered in 1898. This element forms a black
nitride when exposed to air and reacts strongly with water. This element
is a "bone seeker" as the human body metabolizes this element in a
similar fashion to Ca and incorporates it into bone tissue elevating
cancer risks. The longest lived and most common isotope of this element
has a half life of 1600 years. This element was once widely used as a
constituent of self luminous paint but the radiation safety issues
eliminated this application. What element am I?
This winner of this week's quiz will get a portion of Doug's cubical
(don't know which part, depends on what we can dismantle while he is at
today's staff meeting).
Good Luck
Dave Hillman
Rockwell Collins
[log in to unmask]
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Search the archives of previous posts at: http://listserv.ipc.org/archives
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