physical and chemical change

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Across
  1. 1. a mixture in which the composition is uniform throughout the mixture.
  2. 3. a property that depends on the amount of matter in a sample.
  3. 7. has a fixed chemical composition throughout
  4. 10. every definite compound always contains the same elements in the same proportions
  5. 13. firm and stable in shape; not liquid or fluid.
  6. 20. mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations.
  7. 22. is composed of two or more separate elements
  8. 23. a substance made by mixing other substances together.
  9. 24. one of the distinct forms in which matter can exist.
  10. 25. a law stating that the volume of an ideal gas at constant pressure is directly proportional to the absolute temperature.
  11. 27. a characteristic of a particular substance that can be observed in a chemical reaction.
  12. 28. a state that flows freely but is of constant volume.
  13. 30. chemical reaction involving the rearrangement of the atoms of one or more substances
  14. 31. a substance that has mass and takes up space.
  15. 32. a law stating that equal volumes of gases at the same temperature and pressure contain equal numbers of molecules.
  16. 33. The physical process where matter moves from one state to another.
  17. 34. a law stating that the pressure of a given mass of an ideal gas is inversely proportional to its volume at a constant temperature.
  18. 37. Law that states a gas pressure x volume x temperature = constant.
  19. 38. a solid material that is typically hard, shiny, malleable, fusible, and ductile.
  20. 39. a physical quantity whose value does not depend on the amount of the substance for which it is measured.
  21. 41. changes affecting the form of a chemical substance, but not its chemical composition.
Down
  1. 1. mixture consisting of different, distinguishable parts or elements.
  2. 2. PV=NRT
  3. 4. a substance diffused or suspended in the air, especially one normally liquid or solid.
  4. 5. the action or process of filtering something.
  5. 6. quantity of matter in a physical body.
  6. 8. the separation of a mixture into its components.
  7. 9. when two chemical elements combine with each other to form more than one compound
  8. 11. the action of purifying a liquid by a process of heating and cooling.
  9. 12. matter not involving in its manifestation a chemical change.
  10. 14. a law stating that the volumes of gases undergoing a reaction at constant pressure and temperature are in a simple ratio to each other and to that of the product.
  11. 15. The horizontal rows of the periodic table.
  12. 16. the basic unit of a chemical element.
  13. 17. elements with similar chemical properties.
  14. 18. a table of the chemical elements arranged in order
  15. 19. a pure substance consisting only of atoms that all have the same numbers of protons.
  16. 21. they are all odorless, colorless, monatomic gases with very low chemical reactivity.
  17. 24. the transition of a substance directly from the solid to the gas state.
  18. 26. an element or substance that is not a metal.
  19. 29. one way of representing the concentration of an element in a compound or a component in a mixture.
  20. 33. to form crystals or assume crystalline form.
  21. 35. matter in a state in which it will expand freely to fill the whole of a container
  22. 36. an element whose properties are intermediate between those of metals and solid nonmetals or semiconductors
  23. 40. an ionized gas