Chapter 21 - SPECTRA AND STRUCTURE OF ATOMS AND MOLECULES
From ChemEd Collaborative
SPECTRA AND STRUCTURE OF ATOMS AND MOLECULES
21.1 The Nature of Electromagnetic Radiation
21.2 Atomic Spectra and the Bohr Theory
21.3 The Spectra of Molecules: Infrared
21.4 The Visible and Ultraviolet Spectra of Molecules: Molecular Orbitals
In this chapter we are going to study the way in which matter can both absorb energy and emit it in the form of electromagnetic radiation such as light. The pattern in which matter absorbs or emits radiation is called its spectrum. In the past, and still to this day, studies of the spectrum of a substance have furnished important clues to the structure of matter. At the same time, the spectrum of a substance is often a very useful way of characterizing and hence identifying and analyzing that substance.
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