School work lol

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Across
  1. 4. A property in a substance based on its reactivity
  2. 6. The amount of 3d space taken up inside a container
  3. 7. A state of matter where the substance that does not have a fixed shape or volume
  4. 9. A substance that takes up mass and space
  5. 10. A pure form of matter
Down
  1. 1. A substance made up of multiple elements that are chemically bonded
  2. 2. A substance that is made up of multiple elements but can be separated physically
  3. 3. Made up of different kinds of atoms with different kinds of properties
  4. 5. A property such as hardness or color in a substance
  5. 8. The building blocks that make up certain elements