INTRODUCTION TO MATTER

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Across
  1. 3. Change: A process in which one or more substances are altered into a new or different substance.
  2. 6. Property: A characteristic of a substance that is observed during a chemical reaction.
  3. 7. Property: A characteristic of a substance that can be observed or measured without changing the substance's chemical identity.
  4. 9. Anything that has mass and takes up space.
  5. 10. The amount of space that a substance or object occupies.
  6. 11. A substance that cannot be broken down into simpler substances by chemical means made up of the same atoms.
  7. 12. The mass of a substance per unit volume.
  8. 13. A substance formed when two or more chemical elements are chemically bonded together.
  9. 15. The basic unit of a chemical element, consisting of a nucleus of protons, and neutrons surrounded by electrons.
  10. 16. A combination of two or more substances where each substance retains its own chemical identity and properties.
  11. 17. The process of purifying a liquid by heating it to create vapor and then cooling it to collect the condensed liquid.
Down
  1. 1. A form of matter with a uniform and unchanging composition.
  2. 2. Change: A change in a substance that does not involve a change in the chemical composition.
  3. 3. When nothing is lost or gained but remains the same.
  4. 4. The force exerted on an object due to gravity.
  5. 5. The amount of matter in an object.
  6. 8. A group of atoms bonded together chemically.
  7. 14. To change the form, character, or function of something, often from one substance to another in a chemical or physical process.