2. Consider the diagram to the right, which shows sketches of Morse curves for two electronic states of a diatomic molecule. 2.1 What quantity is represented on the x-axis? 2.2 What quantity is represented on the y-axis? 2.3 Draw an arrow in the diagram showing the most probable transition from the ground state to the excited state. Then use the space below to explain why that is the most probable transition. (A sufficient answer should easily fit in the box.)
Electronic Transitions and Spectroscopy
The term “electronic” connotes electron, and the term “transition” implies transformation. In a molecule, the electrons move from a lower to a higher energy state due to excitation. The two energy states, the ground state and the excited state are the lowest and the highest energy states, respectively. An energy change is observed with this transition, which depicts the various data related to the molecule.
Photoelectron Spectroscopy
Photoelectron spectroscopy (PES) is a part of experimental chemistry. It is a technique used in laboratories that involves projecting intense beams of radiation on a sample element. In response, the element ejects electrons for which the relative energies are measured.
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