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MCAT Question A Day - 10/15/14 - Answer!

Silicon has a silvery luster at rdom temperature. Silicon is brittle, and does not conduct heat or electricity well. Based on its position in the periodic table, silicon is most likely a:

A.  nonmetal
B.  metalloid
C.  metal
D.  chalcogen

B is correct. Metals are lustrous, but they are also malleable and good conductors of electricity and heat. Silicon is positioned along the diagonal of elements in the periodic table sometimes referred to as metalloids.

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