6U UV-vis Crossword

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Across
  1. 2. The colour of a substance that is seen is the color that is not absorbed by the molecule
  2. 3. This lamp produces visible radiation.
  3. 4. A plot of the intensity of energy detected versus the wavelength (or frequency, etc.) of the energy
  4. 13. The wavelength at which the molecule absorbs the maximum quantity of energy
  5. 17. Colour that is seen when all the visible light is absorbed by molecule
  6. 20. The sample under UV/vis analysis must be the same throughout
  7. 21. I is the intensity of the ____ light A = log10 [I0 /I ] =εlc
  8. 22. Structural features that are typically susceptible to the absorption of UV/vis
  9. 23. The intensity of absorption depends on how tightly ____are held within a molecule
  10. 24. Conjugated systems contain ____ electrons
  11. 30. The greater the degree of conjugation in a molecule absorption occurs at ____wavelength
  12. 31. Contains a diffraction grating that filters radiation to produce radiation of a single wavelength
  13. 32. Orbitals with the same energy levels
  14. 33. The region in space where there is the highest probability of finding an electron in an atom
  15. 34. Structural features that are typically susceptible to the absorption of UV/vis
  16. 35. This lamp produces UV radiation
Down
  1. 1. A device used to qualitatively measure light absorbance in a sample at different wavelengths
  2. 5. A system in which there a series of alternating double and single bonds
  3. 6. UV vis spectroscopy may also be used to measure the amount of material in a sample therefore providing ______ data
  4. 7. Material used to make cuvettes that do not absorb UV or vis
  5. 8. The law that states the higher the concentration of the absorbing specy, the greater the absorption
  6. 9. Absorption of UV/vis radiation also results in an increase in the _____energy of the molecule
  7. 10. Light with approximately 400-800 nm
  8. 11. A sample that contains only the matrix but not the analyte
  9. 12. Molecular orbitals that are of a higher energy level
  10. 14. Electrons that are strongly held will require ____ energy for excitation
  11. 15. The absorption of UV or visible radiation results in ____ transitions within the molecule
  12. 16. A curve that shows a measured response (absorbance) with respect to the concentration
  13. 18. Absorption of UV/vis radiation also results in an increase in the _____energy of the molecule
  14. 19. The colour that is seen when all light is reflected
  15. 24. Structural features that are typically susceptible to the absorption of UV/vis
  16. 25. Agent or chelating agent or complexing agent or chromophoric reagent that is added to the substance to produce a coloured complex
  17. 26. An atom or group of atoms in a molecule that absorbs UV/vis radiation
  18. 27. Light with approximately 200-400 nm
  19. 28. A bond is formed by the overlap of two atomic orbitals to form two ________ orbitals
  20. 29. For UV/vis analysis, the sample is placed in a cell called a ____