Question

DEFINE METALLOID.

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Answer 1

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an element whose properties are intermediate between those of metals and solid non-metals or semiconductors.

Answer 2

Question ⤵️

DEFINE METALLOID.

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Metalloids can be defined as chemical elements whose physical and chemical properties fall in between the metal and the non metal categories. Boron, germanium, silicon, antimony, arsenic, and tellurium are the six most widely recognized metalloids.

Additional Information :

1) Typically, metalloids have metallic appearances but they are usually brittle and only mediocre electricity conductors. Chemically, these elements usually behave as non-metals. Metalloids have the ability to form metallic alloys. Other physical properties and chemical properties of the metalloid elements are usually intermediate in nature.

2) In general, these elements are extremely fragile and, therefore, do not have many structural applications. In alloys, catalysts, biological agents, glasses, flame retardants, optical storage and optoelectronics, semiconductors, pyrotechnics, and electronics, Metalloids and their compounds are used.

3) Properties of Metalloids :-

1. Metalloids typically look like metals. However, these elements often behave like non-metals.
2. Physically, metalloids are brittle, somewhat shiny substances that are usually solid at ambient temperatures.
3. These elements usually have intermediate to fairly strong electrical conductivity
4. Chemically, these elements usually act as non-metals (in a relatively weak manner)
5. Metalloids are known to form amphoteric or weakly acidic oxides. ✔️