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Which option is a group of metalloids?

Answer and explanation

Correct answer: Boron, silicon, germanium

Boron, silicon, and germanium are metalloids. Metalloids show some properties of both metals and non-metals; for example, silicon is a semiconductor. Sodium, potassium, and calcium are metals, so option B is not a group of metalloids. Exam tip: metalloids are generally found near the zig-zag boundary between metals and non-metals in the periodic table.

Related tags

ChemistryNature Of MatterMetalloidsPeriodic TableClass 11Some Basic Concepts Of ChemistryClass 11 Mcq

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