Puzzle Description:

Gadolinium: Gd It is used to manufacture garnets, used in light bulbs and used as a shield in Nuclear Reactors.

#1: Claire Stevens-Luneau (Claire794) on Jun 13, 2011

Hi Greg! I just solved your puzzle, and it looks really good =) Although I guessed on a lot of it, and it still took FOREVER! I should probably go do my hw now...

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