Chemistry

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Across
  1. 6. A mixture where the components are evenly distributed.
  2. 7. A substance that speeds up a chemical reaction without being consumed.
  3. 8. A chemical reaction that absorbs heat.
  4. 9. A pure substance made up of only one type of atom.
  5. 11. A measure of how much space an object occupies.
  6. 12. A change that does not alter the chemical composition.
  7. 14. The state of matter with a definite volume but no fixed shape.
Down
  1. 1. A change that produces one or more new substances.
  2. 2. A simple representation of a compound's elements.
  3. 3. A negatively charged particle in an atom.
  4. 4. A positively charged particle in an atom's nucleus.
  5. 5. The force that holds atoms together in a compound.
  6. 7. A substance made of two or more elements chemically bonded together.
  7. 10. The measure of the amount of matter in an object.
  8. 13. The smallest unit of a chemical element.