chapter 2 vocab

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Across
  1. 3. space enclosed or occupied by an object
  2. 4. mixture- a mixture that has a uniform appearance through; also known as a solution especially of a solid dissolved in a liquid
  3. 6. of defining proportion-law that states that masses of chemical substance defined in a define characteristic integer radio when forming compounds
  4. 8. a gas like state of matter formed at very hight temperatures that consist if hight energy ions and free electrons
  5. 11. substance- a material made of only one kind of element or compound
  6. 12. pure substance that consist of atoms with the same atomic number
  7. 14. measure of the amount of matter in an object
  8. 16. mass per unit volume of an object
  9. 17. state of matter in which particles are close together but able to move around
Down
  1. 1. force of gravity acting on the matter in an object
  2. 2. a physical combination of 2 or more substances in a changeable ratio
  3. 5. the state of matter in which particles vibrate in fixed positions giving a substance a fixed shape and volume.
  4. 7. pure substance consisting of atoms of two or more elements that are chemically combined in a fixed ratio
  5. 9. that has mass and occupies space
  6. 10. mixture-a mixture that has a uniform appearance since that combined substances are unevenly distributed
  7. 13. a state of matter in which particles are far apart move rapidly and have little interaction with each other
  8. 15. building block of all matter; consists of protons, electrons, and usually neutrons