Dave,
I believe the element you are quizzing us on is ruba-dub-Dubnium, but it
seems to have progressed through the names Dubnium 1968, Neilsbohrium 1970,
Hahnium 1970, Joliotium (recommended) 1994, and finally back to Dubnium in
1997.
Boy these guys need to get a life...
Element 105 - Dubnium was synthesized by a Soviet team in 1968
was re-synthesized by the same Soviet team in 1970, and called Neilsbohrium
Element 105 - Hahnium was synthesized by A US team in 1970
The name Joliotium was recommended in 1994
The name Dubnium was finally accepted in 1997
Steve Creswick
http://www.linkedin.com/in/stevencreswick
616 834 1883
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of David D. Hillman
Sent: Thursday, June 16, 2011 5:43 PM
To: [log in to unmask]
Subject: [TN] NTC Friday Element Quiz - the Question
Hi folks - Here is the Friday Element Quiz Question (this one may take
some sleuthing so the quiz is going out early):
The Question:
This element has a very contentious history pertaining to who actually
first discovered it. This element has been produced by bombarding
americium-243 with neon-22 atoms and bombarding californium-249 with
nitrogen-15 atoms. The element was "finally" named in 1997. The longest
lived isotope of this element has a half life of 34 seconds.
Bonus Question: List the two names that were used for this element prior
to 1997.
The quiz winner will get the services of Clumpy and Kloumpios for the
week.
So far Clumpy and Kloumpios have:
Week 1 Lamar Young, SCS Coatings
- accomplished nothing (drank lots of coffee)
Week 2 Bev Christian, RIM
- conducted REACH material testing
Week 3 Drew Meyer, Benchmark Electronics Inc.
- Solderability testing and mowed the lawn
Week 4 Ian Fox, Goodrich
- had an epic journey of travel
Week 4 Gary Ferrari, Garrick Global
- unknown
Week 5 Fredrick Miller, Astrolab
- unknown
Week 6 David Nelson, Raytheon
- Were tackling dummys for Dallas Cowboys
Week 7 Graham Collins, L3 Communications
- Cleaned gutters and painted window trim
Week 8 Bill Noel, ITT Geospatial Systems Division
- unknown
Week 9 Steve Gregory of RD Circuits
- unknown
Week 10 David Bealer of Watchfire Signs
- descaled the in-line wash machine! Ouch!
Week 11 Dick Krug of Sparton Corporation
- assisted with AS9100 quality management systems requirements audit
Week 12 Steve Creswick of Balanced Enterprise Solutions
- Acted as Steve's "go fer" due to a broken leg!
Week 13 Gebhard Neifer, Delphi
- conducted a plasma pre treatment Taguchi DOE for a sealing process
Week 14 Bev Christian, RIM
- assisted with a tin pest investigation/test
Week 15 Bev Christian, RIM
- assisted Bev shoveling snow
Week 16 David Bealer of Waatchfire Signs
- assisted with reflow profiling
Week 17 Brian Ellis, rumored to be retired
- assisted with rewiring the house, had a tractor accident and found
his cousin Kloumpios
Week 18 Denny Fritz, SAIC
- assisted with tin whisker inspection/examinations
Week 19 Graham Collins, L3 Communications
- assisted with scraping barnacles, boat paint and boat engine
maintenance
Week 20 Mark Woolley, PTRL Laboratory Avaya
- assisted with weather observations (70F to snow) and resolving
electrochemical migration failures
Week 20 Tom Carroll, Boeing Defense, Space and Security
- assisted with commercial aircraft galley inspection
Week 21 Brian Ellis, supposedly retired, and Tom Carroll, Boeing Defense,
Space and Security
- assisted with root cause corrective action tasks
- assisted with nothing but catching up with the family
Week 22 Drew Meyer, Benchmark Electronics Inc.
- assisted with metallographic cross-sections and Dye & Pry testing
Week 23 Bev Christian, RIM
- assisted with a creep corrosion project and the setting up of an oxygen
bomb
Week 24 Steve Gregory, RD Circuits
- assisted with ?????
Everyone have a great weekend.
Dave Hillman
Rockwell Collins
[log in to unmask]
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