which best describes an element? a pure substance a type of a mixture a pure compound an impure substance

which best describes an element? a pure substance a type of a mixture a pure compound an impure substance
Answer
Brief Explanations:
An element is a pure substance made up of only one type of atom. It is not a mixture (which has multiple substances), nor a compound (which has multiple elements chemically combined), nor an impure substance.
Answer:
a pure substance