GLCA Phys Sci Chapter 2 Vocabulary

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Across
  1. 6. a change that alter the chemical composition of a substance
  2. 9. any change in matter that does not alter its chemical or nuclear composition
  3. 12. group of two or more atoms covalently bonded together
  4. 14. a physical combination of two or more substances in changeable ratio
  5. 16. change in a state directly from a solid to a gas without melting
  6. 17. the change of state from a solid to a liquid
  7. 18. a mixture that does not have a uniform appearance since the substances are unevenly distributed
  8. 20. state of matter in which particles are far apart, move rapidly, and have little interaction with each other
  9. 21. gas-like state of matter, formed at very high temperatures, that consists of high-energy ions and free electrons
  10. 22. building block of all matter; consists of protons, electrons, and neutrons
  11. 24. a pure substance consisting of atoms of two or more different elements that are chemically combined
  12. 27. the temperature at which a solid turns to a liquid
  13. 28. the space enclosed or occupied by an object
  14. 29. the temperature at which a liquid starts to boil
  15. 31. the change in state directly from a gas to a solid without condensing first
  16. 32. the measure of gravity acting on the matter in an object
  17. 33. the relatively fast form of vaporization
Down
  1. 1. states that all physical matter exits in particles that are always in motion
  2. 2. the change of state from a gas to a liquid
  3. 3. anything about a substance that can be observed or measured without altering its chemical composition
  4. 4. the amount of matter in an object
  5. 5. the change of state from a liquid to a solid
  6. 7. law that states a subscript of a formula must be a whole number
  7. 8. the change of state from a liquid to a vapor
  8. 9. a material made of one kind of element or compound
  9. 10. how one substance reacts to another substance
  10. 11. a mixture that has a uniform appearance: also known as a solution, especially of a solid dissolved in a liquid
  11. 13. a pure substance that consists of atoms with the same compound
  12. 15. the slow form of vaporization where particles on the surface of a liquid obtain enough energy to become gas
  13. 19. law that states that matter can neither be created or destroyed, only change form
  14. 23. anything that occupies space and mass
  15. 25. the mass of matter contained within a particular volume
  16. 26. state of matter in which particles vibrate in a fixed position, giving a substance a fixed shape and volume
  17. 30. state of matter in which particles are close together but still able to move around