Question

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the are the elements that exhibit properties of both metals and nonmetals.
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Explanation:

Metalloids are a group of elements in the periodic table. They have properties that are intermediate between metals (which are good conductors of heat and electricity, malleable, ductile etc.) and non - metals (which are generally poor conductors, brittle etc.). For example, silicon (Si) is a metalloid. It has a metallic luster like a metal but is a semiconductor (a property that is more in line with some non - metallic and specialized electrical properties), showing characteristics of both metal and non - metal categories.

Answer:

metalloids