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
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