Chemistry » B. Atomic Structure » B.3. Electron Configuration

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Energy Levels (Shells) & Orbitals

• Overview
• Assigning quantum numbers
• Identifying the shapes of the orbitals
• Using the Pauli Exclusion Principle to determine possible quantum numbers

Electron configuration (Rules and Diagrams)

• Overview
• Recognizing examples and non-examples of Pauli Exclusion Principle
• Recognizing examples and non-examples of Hund’s Rule
• Recognizing examples and non-examples of the Aufbau Principle
• Drawing electron configurations with Aufbau/orbital diagram
• Finding violations of Pauli Exclusion Principle, Hund’s Rule, and Aufbau Principle in diagrams
• Identifying elements that are paramagnetic or diamagnetic
• Recognizing excited versus ground states

Short form electron configuration

• Overview
• Using the periodic table to write short form electron configurations
• Using the Aufbau diagram to write short form electron configurations
• Finding violations of Pauli Exclusion Principle, Hund’s Rule, and Aufbau Principle in diagrams
• Recognizing excited versus ground states