Isra is analyzing the properties of several samples of elements to find out which sample is a metalloid. which set of properties most likely belongs only to a metalloid? forms basic compounds and is a solid has a high luster and is very brittle is a gas and has low electrical conductivity is brittle and forms acidic compounds

Answer;

B. this is because only metalloids have high luster and brittle.

Explanation;Metalloids are chemical  elements which have properties in amid those nonmetals or metals, or that has a combination of them. In other words their properties are intermediate of those of both metals and non metals.Metalloids includes; silicon, germanium, tellurium, arsenic, antimony, boron and polonium.These elements are solid at room temperatures, they can also form alloys with other metals and some act as electrical conductors and are therefore called semiconductors, and are used to make diodes. Additionally, metalloids have high luster and are brittle.

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