Tellurium is a silvery-white, brittle element. its electrical conductivity varies,
but increases slightly with exposure to sunlight.
this element belongs to which region of the periodic table of the elements?
oa) metals
ob) metalloids
oc) nonmetals
od) noble gases

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car