Chapter 2 Vocab

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Across
  1. 3. The Measure of the amount of matter in an object
  2. 4. The space and closed or occupied by an object
  3. 9. The state of matter in which particles vibrate in fixed positions, giving a substance a fixed shape and volume
  4. 10. model of matter A model that states that all physical matter exist in the form of particles
  5. 14. A physical combination of two or more substances in a changeable ratio
  6. 15. A pure substance that consists of atoms with the same atomic number
  7. 16. A gas-like state of matter, formed at very high temperatures, that consist of high-energy ions and free electrons
  8. 18. of definite proportions The law that states that masses of chemical substances combined in definite characteristic integer ratios when forming compounds
  9. 19. mixture A mixture that does not have a uniform appearance since the combined substances are unevenly distributed
Down
  1. 1. A pure substance consisting of atoms of two or more elements that are chemically combined in a fixed ratio
  2. 2. The state of matter in which particles are far apart, move rapidly, and have little interaction with each other
  3. 5. Anything that has mass and takes up space
  4. 6. The force of gravity acting upon the matter in an object
  5. 7. mixture A mixture that has a uniform appearance throughout
  6. 8. The state of matter in which particles are. Loses together but able to move around
  7. 11. The building block of all matter
  8. 12. The mass per unit volume of an object
  9. 13. substance
  10. 17. A particle consisting of two or more atoms covalently bonded together