Hi Dave,  am not sure, but the NASA people use to speak about Polonium, a 
variant of group 2 Radium. No other metal can dissipate so much heat as 
Polonium, therefore it is of interest for space vehicles.  Just a wild 
guess.
Inge

--------------------------------------------------
From: "Joyce Koo" <[log in to unmask]>
Sent: den 2 April 2010 08:27
To: <[log in to unmask]>
Subject: Re: [TN] NTC Friday Element Quiz

> You are david make by carbon.  Plus other impurities.
> --------------------------
> Sent using BlackBerry
>
>
> ----- Original Message -----
> From: TechNet <[log in to unmask]>
> To: [log in to unmask] <[log in to unmask]>
> Sent: Fri Apr 02 09:50:34 2010
> Subject: [TN] NTC Friday Element Quiz
>
> Hi folks! Seems to be a slow day on Technet so here is a Friday Element
> Quiz:
>
> Question:
> I am a type 2 semiconductor and a ductile HCP metal. I am radioactive and
> three of my isotopes are relatively long lived with low energy beta rays
> and very weak gamma rays that pose only a moderate threat. Who am I?
>
> Bonus points - This element has a characteristic property that is
> unique/the best of all the metallic elements. What property is it? Hint -
> it has to do with temperature
>
>
> The winner of the quiz will get Doug's chair (Graham Naisbitt has claim to
> his Diet Mt. Dew stores)
>
> Dave Hillman
> Rockwell Collins
> [log in to unmask]
>
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