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Topic 7 Ė Electron Configurations and Periodicity

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ELECTRONIC STRUCTURE OF ATOMS
Three rules determine electron configurations
Aufbau Principle
Pauli Exclusion Principle
Hundís Rule
Representing electron configurations using orbital notation
Representing electron configurations using electron configuration notation
Hundís Rule is confirmed by the magnetic properties of atoms
Ferromagnetism
Paramagnetism
Diamagnetism
Predicting paramagnetism or diamagnetism
Exceptions to the Aufbau Principle
Electron configuration and the periodic table
Writing electron configurations using the periodic table
Valence electrons and the periodic table
PERIODIC PROPERTIES
Atomic radius
Description
Group trend
Period trend
Ionization energy
Definitions
Group trend
Period trend
Electron affinity
Definition
Description
Group trend
Period trend
Ionic size
The relationship between the size of atoms and their ions
Group trends
Period trends
Electronegativity
Definition
Description
Group trend
Period trend
Metallic character
Definition
Description
Group trend
Period trend