# Quantum Chemistry: Electronic Structure

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## Abstract

Let’s see how linear algebra and group theory can combine in a practical application in quantum chemistry: the electronic structure in an atom or a molecule. Indeed, the position of each electron is a random variable: we can never tell it for sure, but only at some probability. Likewise, energy and momentum are nondeterministic as well: we can never know what they are precisely, but only with some uncertainty.

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