Question

Metalloids

a.

are good conductor of heat & electricity.

b.

act as electron donors with metals & as electron acceptor with non-metals.

c.

are not necessarily solids at room temperature.

d.

are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron.

Answer: (d).are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron.

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Q. Metalloids

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