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Temperature dependence of emission spectra

Waves and electromagnetic radiation • Black body radiation

Key concepts

What you'll likely be quizzed about

  • Emission spectra represent the light emitted by atoms when they transition from a higher energy state to a lower one.
  • Each element has a unique spectral fingerprint, allowing identification based on its emitted wavelengths.
  • When excited, atoms emit photons corresponding to specific energy levels, creating sharp lines in the spectrum.

Flashcards

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What are emission spectra?

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Emission spectra are patterns of light emitted by excited atoms as they return to lower energy states, unique to each element.

Key notes

Important points to keep in mind

Higher temperatures shift spectral lines to shorter wavelengths.

Each element has a unique emission spectrum.

Increased thermal energy leads to more intense spectra.

Emission spectra help in identifying elemental composition.

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