What are metalloids in the Periodic Table?

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belarafon | High School Teacher | (Level 2) Educator Emeritus

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Metalloids are the class of elements in the Periodic Table of the Elements that separate metals from non-metals. The elements on either side of the metalloids are either metallic or non-metallic, while the metalloids contain properties of both. This allows interesting chemical reactions as well as chemical combinations that are not seen in true metals and true non-metals. For example, silicon is a semi-conductor, which means that it does not fully conduct electricity like copper, but can conduct electricity if the conditions are correct; silicon is therefore useful in computers and other technology where a varying conduction rate is important. Aluminium, which people commonly think of as a metal because of its use in beverage cans, is actually a disputed element; it is thought of as an "Other Metal" because of its non-metallic properties.

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fashionableb1 | Student, Grade 10 | (Level 1) Salutatorian

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Elements that separate the metals and nonmetals

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atyourservice | Student, Grade 11 | (Level 3) Valedictorian

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Elements that separate the metals and nonmetals, they are usually either metal or non metal

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astrosonuthird | Student, Kindergarten | (Level 1) Valedictorian

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The class of elements in the Periodic Table are called Metalloids.



Examples of semi-conductors =


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