CHEMISTRY

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