Question

Which of the following elements is a metalloid?

A Silicon Correct Answer Incorrect Answer
B Bismuth Correct Answer Incorrect Answer
C Tin Correct Answer Incorrect Answer
D Phosphorus Correct Answer Incorrect Answer

Solution

Silicon is a chemical element with the symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic luster , and is a tetravalent metalloid and semiconductor.

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