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]
>
> ---------------------------------------------------
> Technet Mail List provided as a service by IPC using LISTSERV 15.0
> To unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF Technet
> To temporarily halt or (re-start) delivery of Technet send e-mail to 
> [log in to unmask]: SET Technet NOMAIL or (MAIL)
> To receive ONE mailing per day of all the posts: send e-mail to 
> [log in to unmask]: SET Technet Digest
> Search the archives of previous posts at: http://listserv.ipc.org/archives
> Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 
> for additional information, or contact Keach Sasamori at [log in to unmask] or 
> 847-615-7100 ext.2815
> ----------------------------------------------------- 

---------------------------------------------------
Technet Mail List provided as a service by IPC using LISTSERV 15.0
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL)
To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest
Search the archives of previous posts at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815
-----------------------------------------------------