Colors of emission spectra are due to loosely-bound valence electrons being excited in a flame and dropping back down while emitting light. Warning! Once the flame has started, DO NOT add more ...

IR spectra reveal the wavelengths absorbed by atomic samples as they interact with infrared light. These spectra can provide ...

F. Curtiss with the author's concurrence. It follows the third of the three essays contained in “The Theory of Spectra and Atomic Constitution,” published in 1922, and forms the first of a new ...

The authors demonstrate how this framework enables the prediction of 3D atomic arrangements from XANES spectra. "Our method bridges a crucial gap between spectroscopic analysis and precise ...

This causes an absorption spectra, as shown below. Because the energy levels are the same, the lines in the emission spectra of an element are in the same position as the lines in the absorption ...