Question

how do we classify matter? answer in 2 - 4 sentences, including the words below: pure substance mixture atom element compound

Explanation:

Matter can be classified as either a pure substance or a mixture. A pure substance can be an element, made up of only one type of atom, or a compound, composed of different atoms chemically bonded together.

Answer:

Matter can be classified as either a pure substance or a mixture. A pure substance can be an element (made of one - type of atom) or a compound (different atoms bonded).