Chemistry

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Across
  1. 1. the branch of science that deals with the identification of the substances of which matter is composed
  2. 8. is a combination of at least two atoms in a definite proportion, bound together by covalent bonds
  3. 10. is the ability to scatter a beam of light that passes through it
  4. 11. a mixture whose composition varies from one position to another within the sample
  5. 16. are positively charged
  6. 17. is the simplest form of matter since it is composed of only one kind of atom
  7. 19. also called as the intrinsic property
  8. 22. the process of converting solid to liquid
  9. 24. consist of a dispensed phase or the substance that is dissolved or scattered and a dispersing medium or the substance in which the dispersed phase is spread
  10. 25. is a matter that has a definite composition and distinct properties
  11. 26. are those that can be measured and observed without changing the composition of the substance
  12. 30. is the ratio of the mass of an object to the volume it occupies
  13. 31. is a process of separating the components of a suspension
  14. 37. its particles are close together
  15. 38. is another method of separating complex mixtures
  16. 40. is a process in which a conversion factor written in a form of ratio to change the units given in the data to the units desired
  17. 42. a pure substance containing two or more kinds of atom chemically combined in a definite proportion by mass
  18. 45. is the ability of a substance to react with other substances such as air, water, acid, and base
  19. 46. is the quantity of matter in the object
  20. 47. occurs when a substance is converted to a new substance
  21. 49. is the absolute value of the difference between the true value and the experimental value divided by the true value
  22. 50. the process of converting liquid to gas
Down
  1. 2. also called as solution
  2. 3. the process of converting liquid to solid
  3. 4. the solid particles are allowed to settle first at the bottom
  4. 5. its particles are close together but are not held so rigidly in position
  5. 6. also called as the extrinsic property
  6. 7. the mixture is poured into a special tube in the centrifuge apparatus, and is allowed to spin using centrifugal force
  7. 9. its particles are far apart from each other
  8. 12. consist of course particles which are visible to the naked eye
  9. 13. the process of converting gas to liquid
  10. 14. is anything that has mass and occupies space
  11. 15. which have a negative charged and are electrically-attracted to protons
  12. 18. is composed of two or more substances combined physically in variable proportions
  13. 20. it is the process of simplifying a very large a very large number or very small number
  14. 21. is the amount of space occupied by a substance
  15. 23. are the digits in any measurement that are known certainty plus one digit which is uncertain
  16. 27. occurs when the internal make-up of the matter stays the same, even after the change only the shape, size, and state are altered
  17. 28. which are uncharged particles found within the atomic nuclei
  18. 29. a process in which the mixture is boiled
  19. 32. is determined when a certain quantitative value is relatively close to the "true" value
  20. 33. are frequently used in chemistry include mass, volume, temperature, and density
  21. 34. the smallest particle of an element
  22. 35. is the process of separating elemental metals from other particles in the mixture
  23. 36. the dissolving medium
  24. 39. the process of changing solid to gas without passing through the liquid state
  25. 41. is the process of removing insignificant digits from calculated numbers
  26. 43. occurs when gas is converted to solid
  27. 44. tells how hot or cold an object is
  28. 48. is the consistency of a result