ALL ABOUT GENERAL CHEMISTRY

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Across
  1. 4. is a mixture in which the composition is not uniform throughout the mixture
  2. 5. Heat involved in chemical processes
  3. 7. is a process used to separate solids from liquids or gases using a filter medium that allows the fluid to pass through but not the solid
  4. 10. is an effective method to separate mixtures comprised of two or more pure liquids
  5. 13. Focuses on carbon-containing compounds
  6. 15. holds a definite shape and volume
  7. 16. it has a uniform and definite composition
  8. 17. is a common abbreviation for significant figures
  9. 19. matter that does not depend on the amount of the substance present
  10. 20. Free charged particles such as ions and
  11. 22. process by which electric current is passed through a substance to effect a chemical change
  12. 25. which are zeros at the beginning of a decimal number less than 1, are not significant
  13. 26. is essentially a physical method of separation in which the components of a mixture are separated by their distribution between two phases
  14. 27. generally non lustrous; ex: Sulphur,nitrogen,etc.
  15. 29. Chemical interactions
  16. 32. have characteristics common to metals as well as non-metals
  17. 34. substance composed of two or more elements in fixed proportions
  18. 38. has no definite shape or volume
  19. 39. Solids and liquids can be changed from one state to another by heating or cooling.
  20. 40. separation of liquids by density and solubility
  21. 41. has an indefinite shape and able to flow
  22. 42. which all numbers are significant
  23. 43. Polymers and plastics
  24. 44. liquid or solid to gas
  25. 46. Deals with the processes of living
  26. 47. A process that causes a substance to change into a new substance with a new chemical formula.
  27. 48. everything that takes up space and has mass
  28. 49. is the one which made up of molecules containing the same kind of atoms
  29. 50. Any characteristic that can be determined without changing the substance’s chemical identity
Down
  1. 1. energy changes
  2. 2. fundamental unit of matter
  3. 3. Behavior and changes of matter and the
  4. 6. is a group of atoms cooled to within a hair of absolute zero
  5. 8. Parts and composition of matter
  6. 9. separation by solubility
  7. 11. generally solids such as copper,iron,etc.
  8. 12. which are zeros at the end of a number, are significant only if the number has a decimal point
  9. 14. is defined as a process by which a chemical is converted from a liquid solution into a solid crystalline state
  10. 18. some substances are attracted to a magnet field and can be "pulled" from a mixture
  11. 21. A material composed of two or more substances
  12. 23. Any characteristic that can be determined only by changing a substance’s molecular structure
  13. 24. A process involving the breaking or making of inter atomic bonds and the transformation of a substance into another
  14. 28. A process that does not cause a substance to become a fundamentally different substance
  15. 30. Any characteristic of matter that depends on the amount of matter being measured
  16. 31. is a mixture in which the composition is uniform throughout the mixture
  17. 33. sublimating material changes from a solid to a gas
  18. 35. gas to solid
  19. 36. Chemical processes in industry
  20. 37. Matter and the environment
  21. 45. A substance that cannot be broken down into chemically simpler components