a) Determine the ground state configuration, and the second lowest energy configuration, for a neutral magnesium atom (Z = 12). 2S+1 b) What are the possible angular momentum couplings, 25+'L, i) the ground state configuration? ii) the second lowest energy configuration? for:- Explain your reasoning in both cases. c) Use Hund's rules to arrange the term symbols from part (ii) in order of energy.
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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