10. The Raman spectroscopy instrument records data and then plots signal intensity vs. raman shift. What are the actual wavelengths that are (1) emitted by the laser within the instrument that is directed at the sample and (2) that are sent back to the instrument due to a Raman interaction with your sample of dry ice that has a Raman active IR band at 1300 cm¹¹.
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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