UV/Vis absorption bands result from the absorption of electromagnetic radiation by specific valence electrons or bonds. The energy at which the absorption occurs, and the intensity of that absorption,...UV/Vis absorption bands result from the absorption of electromagnetic radiation by specific valence electrons or bonds. The energy at which the absorption occurs, and the intensity of that absorption, is determined by the chemical environment of the absorbing moiety. UV/Vis spectroscopy also provides ways for studying chemical reactivity.
This page discusses ozone depletion, a significant environmental issue caused by natural processes and human-made chemicals that protect against UV rays. It explains the two-step reaction involving ul...This page discusses ozone depletion, a significant environmental issue caused by natural processes and human-made chemicals that protect against UV rays. It explains the two-step reaction involving ultraviolet light and free radicals, detailing how reactants convert to products, exemplified by nitrogen monoxide reacting with oxygen to produce nitrogen dioxide.
This page discusses Rydberg's theory and Balmer's formula for predicting hydrogen spectrum wavelengths, highlighting Balmer's 1885 formula for visible wavelengths and Rydberg's generalization for all ...This page discusses Rydberg's theory and Balmer's formula for predicting hydrogen spectrum wavelengths, highlighting Balmer's 1885 formula for visible wavelengths and Rydberg's generalization for all atomic spectra, including the Lyman series in the ultraviolet. The Lyman series corresponds to transitions to the n=1 orbit, with relevant formulas and values mentioned. Various sequentially named series are outlined, emphasizing that atomic spectra provide insights into atomic structure.
