Question

which explains how the metalloids on the periodic table of elements are similar to each other?
a. metalloids are all gases.
b. metalloids are all in the same family.
c. metalloids all have metal and nonmetal properties.
d. metalloids all emit radioactive particles as they decay.

Explanation:

Metalloids are elements that have properties intermediate between metals and non - metals. They are not all gases, not all in the same family, and not all radioactive.

Answer:

C. Metalloids all have metal and nonmetal properties.