Which element is classified as a metalloid?

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Silicon is a metalloid, possessing properties intermediate between metals and non-metals. It has a metallic luster but is brittle and a semiconductor. Other metalloids include boron, germanium, arsenic, antimony, tellurium. Sodium and calcium are metals (good conductors, malleable). Chlorine is a non-metal (gas, poor conductor). Metalloids are found along the zigzag line in the p-block of the periodic table.

Which element is classified as a metalloid? MCQ with Answer and Explanation

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