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Chemistry Chapter 4 Electron Configurations

  • Pat admin
  • September 26, 2022
  • 10:13 am
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Electron configuration

Answer: The arrangement of electron in an atom unique for each element

Octet rule

Answer: Number of outer electrons/valence electrons will be stable with 8 electrons

Pauli Exclusion Principle

Answer: No two electrons in the same atom can have the same set of four quantum numbers

Aufbau Principle

Answer: An electron occupies the lowest energy level that can receive it

Hund’s rule

Answer: Orbitals of equal energy are each occupied by one electron before any orbital is occupied by a second electron
– all electrons in singly occupied orbitals must have the same spin state

Orbital Notation

Answer: Use of lines and arrows to represent an electron configuration

Electron Configuration Notation

Answer: Use of superscripts to represent electron configurations

Noble Gas Notation

Answer: Use of a noble gas in brackets to represent an electron configuration

Lewis Electron Dot Notation

Answer: Shows outermost/valence electrons by using dots

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