Ah Ha! Then it must be:
IDONTKNOWWHATITISIUM - this has a hardness factor of 11 on the Moh Scale!
Graham N
On 5 Jul 2011, at 03:18, Bev Christian wrote:
> This is a tuffy.
>
> If it wasn't produced pure until 1928, then we can eliminate any elements
> discovered after that time, thus out go all the elements after uranium, plus
> Tc, Pm, At and Fr.
>
> If it is like sodium, then if we presume a +1 oxidation state, that gives
> us:
> H, Li, B, C, N, O, Na, Mg, Al, Si, P, S, Cl, K, Sc, V, Cr, Mn, Fe, Co, Ni,
> Cu, Ga, Ge, Br, Rb, Y, Zr, Mo, Ru, Rh, Ag, In, I, Cs, Gd, Tb, W, Re, Os, Ir,
> Au, Hg, Tl
>
> If we then eliminate the ones with a known biological role (I presume in
> humans), then we are left with:
> Al, Si, Sc, V, Ga, Ge, Br, Rb, Y, Zr, Ru, Rh, Ag, In, Cs, Gd, Tb, W, Re, Os,
> Ir, Au, Hg, Tl
>
> If we then eliminate those that I would consider to have SIGNIFICANT use in
> industry we are left with:
> Sc, Rb, Y, Cs, Gd, Tb, Re, Tl
>
> Discovery dates
> Sc 1937
> Rb 1860s
> Y 1828
> Cs 1860s
> Gd 1886
> Tb "not until ion exchange"
> Re 1928
> Tl 1860s
>
> So it looks like it is down to Tb and Re.
>
> But $
> Tb $3400/kg
> Re $4000/kg
>
> But Pt is $1700/troy ounce.
> I'm stuck!
>
> Bev
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of David D. Hillman
> Sent: Friday, July 01, 2011 8:08 AM
> To: [log in to unmask]
> Subject: [TN] NTC Friday Element Quiz - the Question
>
> Hi folks - Here is the Friday Element Quiz Question:
>
> The Question:
>
> This element is used for research purposes only. There are no commercial
> outlets for the element as Sodium can be used to accomplish the same tasks
> at a much lower cost. This element is more expensive than gold or platinum
> (*** per my reference source). A pure sample of this element was not
> produced until 1928. Apples contain 50 ppm of this element but plays has
> no known biological role.
>
> Bonus Question: Name the mineral that contains this element.
>
>
>
> The quiz winner will get to put Clumpy and Kloumpios to work for them 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 ?????
>
> Week 25 Ahne Oosterhof, A-Laser
> - assisted with stencil aperture data analysis and split/stacked firewood
>
> Week 26 Scott Post, Delphi
> - assisted with ????
>
> Week 27
> - assisted with ????
>
> Dave Hillman
> Rockwell Collins
> [log in to unmask]
>
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