what can a drop of liquid mercury be described as?\no a pure substance and a compound\no an impure substance…

what can a drop of liquid mercury be described as?\no a pure substance and a compound\no an impure substance that is reactive\no an impure substance that is unreactive\no a pure substance and an element
Answer
Brief Explanations:
Mercury is an element. Elements are pure substances. It is not a compound as it consists of only one - type of atom. It is not an impure substance.
Answer:
a pure substance and an element