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Date: | Fri, 10 Jul 2009 17:30:44 +0200 |
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You could also think of water, which expands when freezing and water's 'half
life' could be H2O/2 equals HO....ho-ho
/Inge
----- Original Message -----
From: "David D. Hillman" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, July 10, 2009 3:49 PM
Subject: [TN] NTC - Friday Elements Quiz
> Hi folks - Its Friday, its raining like crazy in Iowa, and a gloomy day so
> here is a TechNet Friday elements quiz. The ground rules are simple: No
> using Wikipedia (other internet resources are allowed) and the first
> correct complete answer will get to have a Diet Mt. Dew from Doug!
>
> Question #1: Which element expands upon freezing?
>
> Question #1A: What is the half life of this element?
>
> Question #2: The thermoelectric generators on the Voyager, Galileo and
> Cassini spacecraft utilize the radioactive decay heat from a radioactive
> element oxide and have logged over 250 million thermoelectric operating
> hours with no failures - name the element oxide.
>
> Good Luck!
>
> Dave Hillman
> Rockwell Collins
> [log in to unmask]
>
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