Chemistry AS and A level

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Across
  1. 4. physical property physical property that does not depend on the size or amount of the sample
  2. 5. a ligand that can form two coordinate bonds with a transition metal ion
  3. 7. a quantity of a substance that contains the Avogadro number
  4. 9. Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
  5. 13. the time taken for the concentration of a reactant to fall from any value to half that value
  6. 14. a chemical structure formed when two monomers join together
  7. 16. hydrocarbons that contain a benzene ring
  8. 17. the ionic liquid in an electrochemical cell
  9. 19. Chemistry it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
  10. 21. a compound with both a permanent positive charge and a permanent negative charge
  11. 24. protons and neutrons
  12. 25. inner shell electrons acting as a 'shied' and decreasing the attraction between an outer shell electron and nucleus
  13. 29. the final step in a chain reaction
  14. 30. Anything that has mass and occupies space
  15. 31. a reaction of a compound with water
  16. 32. Formed when atom loses or gains electron
  17. 36. mixture Called as solution a mixture with uniform composition.
  18. 37. Separates components of mixture at different boiling points.
  19. 38. a peptide with two amino acids
  20. 39. a substance or matter in a state in which it will expand freely to fill the whole of a container having no fixed shape and no fixed volume.
  21. 40. rule states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
  22. 42. a substance that flows freely but is of constant volume having a consistency like that of water or oil.
  23. 45. formed by replacing one or more hydrogen atoms of the ammonia molecule by organic groups
  24. 47. an alkane in which one or more hydrogen atoms have been replaced by halogen atoms
  25. 48. mixture Mixture whose a composition varies from position to position within a sample.
Down
  1. 1. the making of new molecules via one or more chemical reactions
  2. 2. chemistry the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
  3. 3. the solvent used as the mobile phase in chromatography
  4. 6. phase change in which liquid is converted to gas
  5. 7. Composed of two or more substances combined physically in variable proportions
  6. 8. one of a pair of non-identical mirror image isomers
  7. 10. the breakdown of large alkane into shorter chain alkanes and alkenes
  8. 11. the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact combine and change; and the use of these processes to form new substances.
  9. 12. Phase change in which liquid is converted to solid
  10. 15. compound Compound that consists of two charged ions
  11. 18. The amount of space occupied by a substance
  12. 20. Group 7A elements
  13. 22. inner transition elements located in the first row of the f block in the periodic table
  14. 23. a short-lived species formed during one of more steps in a reaction mechanism
  15. 26. Uncharged particle found within the atomic nuclei
  16. 27. chemistry it is a branch of chemistry that studies the structure properties and reactions of organic compounds which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.
  17. 28. Elements found in the zigzag order in the periodic table
  18. 31. Organic compound with carbon and oxygen only
  19. 33. a reaction in which an atom or group of atoms loses electrons
  20. 34. Horizontal row in the periodic table
  21. 35. a substance or object that is solid rather than liquid or fluid
  22. 41. the branch of chemistry dealing with reaction rates
  23. 43. Substance consisting of only one kind of atom
  24. 44. movement of one fluid through another.
  25. 46. Phase change that involves the conversion from solid to liquid