Which is the least stable way two electrons can arrange in two equal-energy orbitals? Group of answer choices Place one electron in each orbital, both with the same spin No arrangement is more or less stable than the others Place one electron in each orbital, one spin-up and the other spin-down Place both electrons in the same orbital, one spin-up and the other spin-down
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.
This question can be answered using the Hund's rule of maximum multiplicity. Which states that electrons in degenerate orbitals should be distributed so as to get the maximum number of unpaired electrons with parallel spin.
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