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Emission Spectrum (Simplified) quiz

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Terms in this set (15)

  • What forms the lines in an emission spectrum?
    The lines are formed when emitted light from an atom passes through a slit and a prism.
  • What happens when an electron moves from a higher energy shell to a lower one?
    It emits energy in the form of light.
  • What is the purpose of the slit in the emission spectrum experiment?
    The slit focuses the emitted light and spreads closely packed wavelengths for measurement.
  • How does the prism affect the emitted light in the emission spectrum?
    The prism splits the light into its component wavelengths, creating discrete lines.
  • What can be determined by measuring the wavelengths in an emission spectrum?
    The energy and frequency of the emitted light can be calculated.
  • How many shells can an atom theoretically have?
    Atoms can theoretically have an infinite number of shells.
  • What is the ground state of an electron?
    The ground state is the lowest energy shell an electron can occupy.
  • What is emitted as an electron drops to a lower shell?
    Energy is emitted as light.
  • What does the emission spectrum allow scientists to measure?
    It allows scientists to measure the wavelengths of emitted light.
  • What is the role of the slit in creating an emission spectrum?
    The slit focuses and spreads the emitted light for analysis.
  • What does the prism transform in the emission spectrum experiment?
    The prism transforms the wavelengths into discrete lines on the emission spectrum.
  • Why are the lines in the emission spectrum discrete?
    Because the prism splits the light into specific wavelengths corresponding to electron transitions.
  • What is the relationship between electron transitions and the emission spectrum?
    Each transition from a higher to a lower shell produces a line in the emission spectrum.
  • How can the energy of emitted light be calculated from the emission spectrum?
    By measuring the wavelength of each line, the energy can be calculated using physics equations.
  • Why is the number of shells in an atom considered infinite?
    Because theoretically, atoms can have an unlimited number of energy levels, and not all elements are known.