What are metalloids?

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Properties between metal and non-metal

Mixture of metals and non-metal

Both A and B

Neither a metal nor a non-metal

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Detailed Solution

Concept- Metalloids are intermediate elements that can't be properly categorised as metals or non-metals since they have qualities of both metals and nonmetals, making it difficult to identify as either a metal or a non-metal.
It can also be defined as an imprecise term used to describe a chemical element that forms a simple substance containing properties intermediate between those of a typical metal and a typical nonmetal. The metalloid is the chemical element which exhibits both metal and nonmetal properties. Examples of metalloids include boron, silicon, germanium, arsenic, antimony, and tellurium.
Hence, the correct options are 1 and 4.

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