a piece of sodium metal can be described as\no a pure substance and a compound.\no an impure substance that…

a piece of sodium metal can 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.

a piece of sodium metal can 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:

Sodium is an element on the periodic table. A piece of sodium metal is a pure substance because it consists of only sodium atoms and is not a mixture. Compounds are made of two or more different elements chemically combined, which sodium is not. Sodium is highly reactive.

Answer:

D. a pure substance and an element