vocab 2

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Across
  1. 3. Mass of matter contained within a particular volume
  2. 6. Distinct groups of two or more atoms
  3. 8. Is a pure substance that consists of atoms with the same atomic number.
  4. 12. State of matter in which the molecules of the substance are between a liquid and a gas
  5. 14. State of matter in which the molecules of the substance move wildly about
  6. 17. Any change in matter that does not change the composition of the substance
  7. 19. Relatively slow form a vaporization in which particles on the surface of the liquid state obtain sufficient energy to change to the gaseous state through the random collisions with particles
  8. 21. Change of state from a gas directly to a solid
  9. 22. The measure of gravity acting on the matter of an object.
  10. 23. State of matter in which the molecules of the substance do not move/retrained
  11. 28. The mass of a substance will continue to have the same whole numbered ratio.
  12. 29. Change of state from a gas to a liquid
  13. 32. States that all physical matter exists in the form of particles (atoms or molecules) in constant motion.
  14. 33. Temperature at which a substance changes from a solid to a liquid
Down
  1. 1. Amount of matter in an object
  2. 2. mixture Does not have a uniform appearance since the substances are unevenly distributed
  3. 4. State of matter in which the molecules of the substance move but the movement is free but restricted
  4. 5. Change of state from a liquid to a solid
  5. 6. A physical combination of two or more substances.
  6. 7. A change that alters the composition of the substance
  7. 9. Change of state from a solid directly to a gas
  8. 10. Anything about a substance that can be observed
  9. 11. change of state from solid to liquid
  10. 13. Law that states that matter can not disappear, but changes states
  11. 15. Change of state from a liquid to a vapor (gas)
  12. 16. Describes how a substance changes in the presence of another substance or under certain conditions
  13. 18. mixture They have a uniform appearance; also known as a solution
  14. 20. Is a pure substance consisting of atoms of two or more different elements that are chemically combined
  15. 24. The building blocks of all matter
  16. 25. Relatively fast form of vaporization that as the substance is heated the particle's energy creates a pressure equal to the air pressure outside the liquid
  17. 26. Temperature at which a liquid starts to boil
  18. 27. anything that has mass and occupies space
  19. 30. Space enclosed or occupied by an object
  20. 31. A material made of only one kind of element or compound; it is not a mixture