Which properties are characteristics of metalloids?
a high electrical conductivity and a high melting point
b low electrical conductivity and a low melting point
c intermediate conductivity and a high melting point
d intermediate conductivity and a low melting point

Intermediate conductivity and a high melting point.

Option: C

Metalloids being the smallest class of elements, it usually comes between metals and non-metals i.e., the other two classes of elements. It means that metalloids possess properties of both metal and non-metals or mixture of properties of both the classes. Some properties of metalloids processes from either metals or metalloids. Like metals conduct electricity and heat but non-metals do not, but some metalloids can usually at higher temperatures, then the metalloids are known as semiconductors. So we can conclude that metalloids tend an instant conductivity and a high melting point.

c

Explanation:

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