Chapter 2: Matter

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Across
  1. 2. The smallest unit of an element that maintains the chemical properties of that element
  2. 7. A substance that cannot be separated or broken down into simpler substances by chemical means
  3. 8. A substance made up of two or more chemical elements joined by chemical bonds
  4. 9. a combination of two or more substances that are not chemically combined
  5. 10. What do physical properties help determine
  6. 11. A sample of matter, either a single element of a single compound, that has definite
  7. 13. Elements are represented by what
  8. 16. change Some compound can be broken down through what type of change
  9. 17. What can gases mix with
Down
  1. 1. point The temperature and pressure at which a liquid and a gas are in equilibrium
  2. 3. substances What do chemical changes form
  3. 4. The capacity of a substance to combine chemical with another substance
  4. 5. Anything that has mass that takes up space
  5. 6. A group of atoms that are held together by chemical forces
  6. 11. What type of change is dissolving
  7. 12. Chemical formulas represent what
  8. 14. the ratio of the mass of a substance to the volume of the substance; commonly expressed as grams per cubic centimeter for solids and liquids and as grams per liter for gases
  9. 15. point the temperature and pressure at which a solid becomes a liquid