Glossary 1.1


The glossary provides definitions and explanations of key terms and concepts essential to understand the topic in the lesson. Be sure to familiarize yourself with each term before attempting the lesson glossary quiz.

Browse the glossary using this index

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S

Secondary Quantum Number (l)

the quantum number that describes the shape and energy of an atomic orbital, with whole-number values from 0 to \( n-1 \) for each value of n


Shell

an atom's main energy level, where the shell number is given by the principal quantum number, n = 1, 2, 3, ...


Spectroscopy

the analysis of spectra to determine properties of their source


Spin Quantum Number

the quantum number that relates to the spin of the electron; limited to \( + \frac{1}{2} \) or \( - \frac{1}{2} \) 


Subshells

orbitals of different stages and energies, as given by the secondary quantum number; often referred to as s, p, d, and f