Regions of the electromagnetic (e/m) spectrum and corresponding molecular processes. Sketch the e/m spectrum like depicted in figure below. For your sketch, use the following units (all together in one plot): avelength, frequency, wavenumbers, and energy. What are the molecular processes that can be studied by the different types of e/m radiation? Name three (3) processes. (A) Radio waves **** (B) (C) (D) Micro Infrared Visible waves radiation light Ultraviolet m X-rays (F) Gamma-rays

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Q: 13. a. b. C. d. e. Which of the following salts is basic? NH4Cl NaCl KC104 CH3NH3C1 KNO₂

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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.