Here is an energy level diagram that shows what happens when a photon of light is absorbed. Compare and contrast the energy level diagram with your representation in Q2.2. How does atomic structure change when a photon is absorbed? Energy Yu E5 (n=5) E4 (n=4) E3 (n= 3) E2 (n=2) E1 (n=1) Enter your answer here
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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