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5.2 Electrons

Electron Arrangement in atoms

TermDefinition
Electron configuration The ways in which electrons are arranged around the nuclei of atoms
aufbau Principle Describes the sequence in which orbitals are filled
Consistent energy The various orbitals within a sublevel of a principle energy level are always of consistent energy.
pauli exclusion principle States that a maximum of two electrons can occupy each orbital
Hund's rule states that electrons pair up only after each orbital in a sublevel is occupied by an electron
When using the shorthand method for showing the electron configuration atom blank are used to indicate the number electrons occupying each sublevel. superscript
Correct electron configuratons can be obtained by using the Aufbau diagram for the elements y
Created by: 211924
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