QUESTION 29 The relative abundance in the mass spectrum is based on what? 01. base peak O 2. molecular ion O 3. the radical formed O 4. isotopes abundance QUESTION 30 In a mass spectrometry what causes the ion beam to curve? O 1. electron gun O 2. accelerating plates O 3. detector 4. magnetic

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UV Visible Spectroscopy

Spectroscopy refers to the absorption or emission of light or other radiations by matter. When a substance or chemical absorbs light or radiation, they reach an excited state followed by de-excitation or emission of the light or radiation forming distinct spectra. UV-visible spectroscopy or  ultraviolet-visible refers to the absorption and emission in the ultraviolet and visible regions of the electromagnetic spectrum.