Chapter 1, Problem 1.69EP

Assign each of the following descriptions of matter to one of the following categories: element, compound, or mixture.

1. a. one substance present, one phase present, one kind of homoatomic molecule present
2. b. two substances present, two phases present, all molecules present are heteroatomic
3. c. one phase present, two kinds of homoatomic molecules are present
4. d. triatomic, homoatomic, and diatomic heteroatomic molecules are present