Question

what statement is true about the eight elements on the periodic table termed metalloids?
a. they are the only man - made elements.
b. they all have the same number of protons and neutrons.
c. they are the only naturally occuring elements.
d. they have properties of both metals and nonmetals.

Explanation:

Metalloids have properties intermediate between metals and non - metals. Man - made elements are synthetic, not metalloids. Elements vary in proton and neutron numbers. There are many naturally - occurring elements other than metalloids.

Answer:

D. They have properties of both metals and nonmetals.