6. Imagine that you have a sample of a substance. You cannot physically separate that substance into components. You also cannot chemically separate that substance
into components. Which of the following are true about your sample? Choose all
that apply.
A. The sample is made up of one type of atom.
B. The sample is made up of multiple elements.
C. The sample is made up of a single element.
D. The sample is made up of several types of atoms.