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.
![**Electron Configuration Quiz**
Determine which of the following species would have this electron configuration:
\[(\sigma 2s)^2(\sigma 2s^*)^2(\pi 2p)^4(\sigma 2p)^2.\]
**Options:**
A) O₂
B) SCl⁻
C) C₂²⁻
D) ClF
E) PS⁺
**Explanation:**
The electron configuration given is a molecular orbital configuration. Your task is to match this configuration to the correct molecule or ion from the options provided. Consider the molecular orbital theory and how electrons are distributed among bonding and antibonding orbitals when solving the problem.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd409d7b9-9fcc-4292-b01d-7e755714d56d%2F96d47a51-6f29-4a02-ac9d-0a649f6c8a54%2Fn18qmer2_processed.jpeg&w=3840&q=75)
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