21. One photographic print toning product is a compound that exists between silver and selenide. A) What is the electron configuration is acceptable. silver and selenide? Noble gas or shorthand notation Silver Selenide B) Fill in the valence orbitals with the valence electrons for silver and selenide. Silver Selenide C) What is the most common ion for silver and selenide? Silver ion Selenide ion D) What is the electron configuration the silver and selenide ions? Silver ion Selenide ion E) What is the chemical formula between the silver and selenide ions?

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UV Visible Spectroscopy

Spectroscopy refers to the absorption or emission of light or other radiations by matter. When a substance or chemical absorbs light or radiation, they reach an excited state followed by de-excitation or emission of the light or radiation forming distinct spectra. UV-visible spectroscopy or  ultraviolet-visible refers to the absorption and emission in the ultraviolet and visible regions of the electromagnetic spectrum.