Question

say some use of matteloids​

Answer 1

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Metalloids (or semiconductors) are important components of electronic devices. Metalloids have other uses as well. For example, antimony is used in alloys such as pewter and as a flame retardant in plastics. Boron is used as a bonding agent in magnets and other chemical substances.

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Answer 2

metalloids are those elements which show the property of both metals and non metals.