Question

Complete the following sentences using the words from below A______emission spectrum is seen when light given off by gas discharge tubes passes through the hand held spectroscope. The________that are normally in the______state______the electrical energy and are______to a______energy level. When these electrons return to a_____energy level, energy is_____in the form of_____light. The_____of the light is dependent on the on the______between the energy levels; the______the energy difference or gap, the_____the wavelength. Small energy gaps result in colors towards the_____end of the spectrum while larger energy gaps result in colors toward the_____end of the spectrum.