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An unknown substance is tested and found to have the following physical properties: brittle fair conductor of electricity dull (not shiny) The substance is most likely a _____. metal metalloid nonmetal cannot be determined without more data

Respuesta :

the answer is metalloid 

Answer:

Metalloid

Explanation:

Metals are good conductors of electricity and are generally shiny.

Metalloids are the elements of the periodic table that have properties of both metals and non metals. They may be shiny or dull. They are brittle and are fair conductors of electricity.

Non metals are dull, do not conduct electricity and brittle.

Hence the substance is most likely a metalloid.

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