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.
![1. According to Planck's equation, the energy of a nonochr
its
or
2. A photon can interact with an electron in a molecule, atom or ion, in which the electron
is elevated from a.
electronic state to a
state.
3. Because electronic states are quantized, absorption of quanta always occurs at a character-
istic
4. The amount of light (or the number of photons) absorbed depends on several factors,
including how many electrons undergo the electronic transition. In a solution, this depends
on the optical path and the.
of the solution.
5. A calibration plot for a particular absorbing species is constructed according to the Beer-
Lambert's law and the equation of the best-fit straight line is y = 9.41x. What is the
concentration of a solution of the same species if its absorbance is measured to be 0.603?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2bb63943-7839-43c1-b3a8-054c60027bd4%2F6214fdcd-f2a2-4869-a507-f422d783d558%2F2ag99p6_processed.jpeg&w=3840&q=75)
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