Chemistry

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Across
  1. 2. process in which solid particles in a liquid or gaseous fluid are removed by the use of a filter medium
  2. 5. the successive occupation of the orbitals in a valence shell of the atom
  3. 6. PV=nRT
  4. 7. observed or measured without changing the identity of the substance
  5. 12. pressure of a given mass of gas varies directly with the absolute temperature of the gas when the volume is kept constant
  6. 13. no shape
  7. 17. characteristic of a particular substance that can be observed in a chemical reaction.
  8. 20. one chemical substance is transformed into one or more different substances
  9. 22. amount of mass and space taken up
  10. 24. substance form of matter that has a constant composition and properties that are constant throughout the sample
  11. 25. gas law pv=nrt
  12. 26. column in the periodic table of the chemical elements
  13. 29. a substance diffused or suspended in the air
  14. 30. particle of matter that uniquely defines a chemical element
  15. 31. depends on the amount of matter in a sample
  16. 32. make up Group 18
  17. 33. any substance that cannot be decomposed into simpler substances by ordinary chemical processes
  18. 35. composition is uniform throughout the mixture
  19. 37. composition is not uniform throughout the mixture
  20. 39. v1/t1=v2/t2
  21. 42. every chemical compound contains fixed and constant proportions of its constituent elements.
  22. 43. has a definite shape
  23. 44. a coherent, typically large body of matter with no definite shape.
  24. 45. p1(v1)/t1=p2(v2)/t2
Down
  1. 1. v1/n1=v2/n2
  2. 3. the action of purifying a liquid by a process of heating and cooling.
  3. 4. of a liquid, solution, or gas to a crystal
  4. 7. fourth state of matter
  5. 8. transition of a substance directly from a solid-state to a gas state
  6. 9. two elements form more than one compound, then the ratios of the masses of the second element which combine with a fixed mass of the first element will always be ratios of small whole numbers
  7. 10. is a tabular display of the chemical elements
  8. 11. P{1}V{1}=P{2}V{2}
  9. 14. of matter liquid gas solid
  10. 15. any of a class of substances characterized by high electrical and thermal conductivity as well as by malleability, ductility, and high reflectivity of light
  11. 16. depends only on the type of matter in a sample and not on the amount.
  12. 17. separation of a mixture by passing it in solution or suspension or as a vapor
  13. 18. takes shape of container
  14. 19. a change in properties such as texture, shape, or state
  15. 21. the substances produced at the end of the reaction
  16. 23. mass is neither created nor destroyed
  17. 27. change of a substance from one physical form to another
  18. 28. divide the mass of the element in 1 mole of the compound
  19. 34. combining 2 chemical substances
  20. 36. an element whose properties are intermediate between those of metals and solid nonmetals or semiconductors.
  21. 38. substance that takes part in and undergoes change during a reaction.
  22. 40. a class of chemical elements whose chemical and physical properties contrast with those of metals
  23. 41. substance consisting of atoms or ions of two or more different elements in definite proportions joined by chemical bonds into a molecule