The Processes by Which an Excited Electron Returns to Its

question 23

Multiple Choice

The processes by which an excited electron returns to its ground state with the emission of energy is known as ____.

• A) photodecomposition
• B) electronic relaxation
• C) spectroscopy
• D) electronic degradation
• E) microwave radiation

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Definitions:

Absorption Frequency

The specific frequency at which a substance absorbs electromagnetic radiation, often used in spectroscopy to identify materials.

C=C

A carbon-carbon double bond, representing a type of covalent bond between two carbon atoms, involved in unsaturated organic compounds.

Terminal C-H Stretch

A term used to describe the absorption feature in infrared spectroscopy corresponding to the vibration of C-H bonds at the end of carbon chains.

IR Absorption

A spectroscopic technique that measures the absorption of infrared light by molecules, used to identify certain functional groups based on their vibrational energy.