CHEMISTRY

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Across
  1. 9. components are easily separated
  2. 10. amount of space matter occupies
  3. 11. acceleration due to gravity
  4. 12. literally salt formers
  5. 13. Theory when the volume increases the density becomes smaller
  6. 16. consists of positively-charged nucleus at the center surrounded by negatively- charged electrons
  7. 17. refers to the number of protons and electrons
  8. 18. form complex ions ; highly colored
  9. 20. process of comparing something with a Standard to see how many times as big it is with a standard
  10. 21. phenomenon wherein a substance can behave as acid or base at the same time
  11. 24. Gravity ratio of the weight of a substance to the weight of equal volume of water
  12. 25. anomalous substance
  13. 26. to indicate multiple / submultiple of fundamental unit
  14. 28. formed by combining elements; ha definite ratio
  15. 30. System also called the Decimal System
Down
  1. 1. all molecular motion is dead
  2. 2. ability to drawn into wire
  3. 3. systematic arrangement of known elements based on increasing atomic number
  4. 4. best conductor of heat
  5. 5. a measure of the pull of gravity of the earth from a body
  6. 6. Figures refers to the number of exact digits plus one digit which is estimated
  7. 7. simplest form of matter
  8. 8. can be flattened into thin sheets
  9. 14. metals used in the making of coins
  10. 15. form strong bases, very reactive and soluble in water
  11. 19. amount of mass in a body
  12. 22. smallest estimated digit
  13. 23. anything that has mass and volume
  14. 27. Smallest exact digit
  15. 29. ratio of mass of a substance per unit volume