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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