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Chemistry LibreTexts

Chapter 2: Atomic Structure

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  • 2.1 Atomic Theory
  • 2.2 Subatomic Particles
  • 2.3 Quantum Numbers
    A total of four quantum numbers are used to describe completely the movement and trajectories of each electron within an atom.
  • 2.4 Electron Configurations
    The electron configuration of an atom is the representation of the arrangement of electrons distributed among the orbital shells and subshells. Commonly, the electron configuration is used to describe the orbitals of an atom in its ground state, but it can also be used to represent an atom that has ionized into a cation or anion by compensating with the loss of or gain of electrons in their subsequent orbitals. Many of the physical and chemical properties of elements can be correlated to electro


Chapter 2: Atomic Structure is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by LibreTexts.

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