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Multiple spectra and colors are observed in the atomic spectra lab.What kind of electronic transitions are responsible for colored light being given off?Select one:Ground stateEmissionExcitationWavelength

Question

Multiple spectra and colors are observed in the atomic spectra lab.What kind of electronic transitions are responsible for colored light being given off?Select one:Ground stateEmissionExcitationWavelength

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Solution

The colored light being given off in the atomic spectra lab is due to Emission transitions. Here's a step-by-step explanation:

  1. When an atom absorbs energy, its electrons move from a lower energy level to a higher energy level. This is called Excitation.

  2. The excited atom cannot stay in this high energy state for too long and so it returns back to its original state or 'Ground state'.

  3. While returning to the ground state, the atom releases the absorbed energy in the form of light. This is called Emission.

  4. The color of the emitted light depends on the energy difference between the two levels and is specific to each element. This energy difference corresponds to a specific Wavelength in the light spectrum, which we perceive as color.

So, the correct answer is Emission.

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