A copper wire is best described as a pure substance. This is because copper wire consists of only one type of atom (copper), with no other substances mixed in.
When setting up an experiment, chemists might use copper wire to tie certain parts of the setup together.
They do this to make sure nothing falls apart in the middle of the experiment. Copper wire is made up of copper atoms that are all very close together. Which of the following best describes the type of substance a copper wire is? (1 point)
a heterogenous colloid
a pure substance
a homogeneous mixture
a heterogeneous suspension
1 answer