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July 2010

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Subject:
From:
"David D. Hillman" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
Date:
Fri, 30 Jul 2010 07:08:58 -0500
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Hi folks - Here is the Friday Element Quiz:

The Question:

This element has been described as a "workhorse element". It is a low 
melting, low stiffness metal with moderate strength. In humans, a daily 
intake of 15 mg of this element is recommended. A deficiency of this 
element in the human body can cause deformed fingernails and delay the 
onset of puberty for several years. This element's low melting point 
results in room temperature recrystalization behavior measured in seconds. 
Its crystal structure is HCP. The element ranks 4th in annual production 
behind Fe, Al and Cu despite it not being very abundant in the Earth 
crust. What element am I?

Bonus point question: What is this element's abundance in the Earth crust 
as measured in ppm?


Doug is in Florida this week so we voted to give away is stapler to the 
quiz winner.


Good Luck.

Dave Hillman
Rockwell Collins
[log in to unmask]


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