a piece of sodium metal can be described as\n a pure substance and a compound.\n an impure substance that is…

a piece of sodium metal can be described as\n a pure substance and a compound.\n an impure substance that is reactive.\n an impure substance that is unreactive.\n a pure substance and an element.
Answer
Brief Explanations:
Sodium is an element on the periodic table and is a pure substance. It is highly reactive. A compound consists of two or more different elements chemically combined. Sodium is a single - element substance, not a compound. It is not an impure substance.
Answer:
a pure substance and an element