2008 USNCO Local #5: Solar Cells
Source:
December 3, 2012
Problem Statement
Which element is the major component in solar cells? (A)\hspace{.05in}\ce{As}\qquad(B)\hspace{.05in}\ce{Ge} \qquad(C)\hspace{.05in}\ce{P}\qquad(D)\hspace{.05in}\ce{Si} \qquad