Flame Emission Spectroscopy

Cards (32)

  • What can flame emission spectroscopy identify?
    Different metal ions in solution
  • How does flame emission spectroscopy work?
    It analyzes light emitted by excited electrons
  • What does the intensity of the spectrum indicate?
    The concentration of that ion in solution
  • What are the advantages of flame emission spectroscopy over flame tests?
    • More accurate and quantitative results
    • Can identify multiple ions simultaneously
    • Works for mixtures, not just single substances
  • What does each metal ion produce in flame emission spectroscopy?
    A characteristic line spectrum
  • Why do different ions produce different line spectra?
    Because of their unique electron arrangements
  • How can you use flame emission spectroscopy for mixtures?
    By analyzing the combined line spectra produced
  • What happens to electrons during flame emission spectroscopy?
    They become excited and then drop back
  • What is the main purpose of flame emission spectroscopy?
    To identify metal ions in solutions
  • What is the process of flame emission spectroscopy?
    1. Sample is placed in a flame
    2. Electrons in metal ions become excited
    3. Excited electrons drop back to original energy levels
    4. Light is emitted and analyzed for spectrum
    5. Spectrum indicates the presence of specific ions
  • What is a characteristic of the light emitted in flame emission spectroscopy?
    It corresponds to specific wavelengths
  • How does flame emission spectroscopy differ from traditional flame tests?
    It provides quantitative data on ion concentrations
  • Why is flame emission spectroscopy more useful for mixtures than flame tests?
    It can identify multiple ions simultaneously
  • What are the limitations of flame emission spectroscopy?
    • Cannot detect non-metal ions
    • Requires calibration for accurate results
    • May be affected by background light interference
  • What does the flame color indicate in flame tests?
    The presence of specific metal ions
  • How can flame emission spectroscopy be applied in environmental science?
    To analyze metal pollutants in water
  • How does the arrangement of electrons affect the spectrum produced?
    It determines the specific wavelengths emitted
  • What is the primary use of flame emission spectroscopy?
    To identify different ions in mixtures
  • Why is flame emission spectroscopy more useful than flame tests?
    It identifies multiple ions in mixtures
  • What type of sample can flame emission spectroscopy analyze?
    Mixtures containing different ions
  • How does flame emission spectroscopy compare to flame tests?
    Flame tests work for single substances only
  • What does a solution containing different ions produce in flame emission spectroscopy?
    A spectrum that can be analyzed
  • What does comparing spectra help identify?
    Different ions in a mixture
  • What does the combination of spectra for ion X and ion Y indicate?
    The mixture contains both ions
  • What can machines analyze in flame emission spectroscopy?
    Unknown substances in mixtures
  • Why do chemists prefer using machines for analysis?
    They provide more accurate results
  • What is a key advantage of using machines in chemical analysis?
    They can detect very tiny amounts
  • What is a characteristic of flame emission spectroscopy?
    It is a flaming useful technique
  • How many ways are there to identify substances using flame tests?
    There are many ways to identify substances
  • What must be identified in chemical analysis?
    Unknown substances in mixtures
  • What are the advantages of using machines in chemical analysis?
    • Very sensitive to detect tiny amounts
    • Fast and automated testing
    • High accuracy in results
  • What are the differences between flame emission spectroscopy and flame tests?
    • Flame emission spectroscopy identifies multiple ions
    • Flame tests are limited to single substances
    • Spectroscopy provides a spectrum for analysis