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Textbooks, references and open learning resources.

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Introduction to Physics
Andrew Park · apark
In the contents: 02: Mechanics I - Motion and Forces · 03: Unit 2- Mechanics II - Energy and Momentum Oscillations and Waves Rotation and Fluids · 05: Unit 4- Modern Physics - Quantum Mechanics Special Relativity and Nuclear and Particle Physics

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Spectroscopy: Background Information on Electronic Structure of Atoms and Molecules
LibreTexts
In the contents: 1.1.05: Quantum Mechanics and Atomic Orbitals

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Introduction to Applied Nuclear Physics
Paola Cappellaro · Massachusetts Institute of Technology
In the contents: 02: Introduction to Quantum Mechanics · 2.01: Laws of Quantum Mechanics · 3.02: Unbound Problems in Quantum Mechanics

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Physics
Boundless · LibreTexts
In the contents: 28: Introduction to Quantum Physics · 28.1: History and Quantum Mechanical Quantities · 28.2: Applications of Quantum Mechanics

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UC Davis Chem 110A Physical Chemistry I
Kristie Koski · University of California, Davis
In the contents: Worksheet 04A: Introduction to the Quantum Harmonic Oscillator

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Quantum Chemistry with Applications in Spectroscopy
Patrick Fleming · California State University East Bay
In the contents: 1.05: On Superposition and the Weirdness of Quantum Mechanics · 2.02: The Postulates of Quantum Mechanics · 2.04: The Tools of Quantum Mechanics

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Chem 1A: General Chemistry I
Julie Brown · Woodland Community College
In the contents: 07: The Quantum-Mechanical Model of the Atom · 7.05: Quantum Mechanics and The Atom · 7.E: The Quantum-Mechanical Model of the Atom (Exercises)

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Chem 4A: General Chemistry for Majors I
LibreTexts · UC Davis
In the contents: 4: Introduction to Quantum Mechanics · 4.6: Quantum Mechanics of Particle-in-a-Box Models · 4.7: Quantum Harmonic Oscillator

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Stellar Atmospheres
Jeremy Tatum · University of Victoria
In the contents: 8.03: Some Thermodynamics and Statistical Mechanics

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Quantum Chemistry
Pacific Union College
In the contents: 01: The Dawn of the Quantum Theory · 1.02: Quantum Hypothesis Used for Blackbody Radiation Law · 1.03: Photoelectric Effect Explained with Quantum Hypothesis

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Partial Differential Equations
Niels Walet · University of Manchester
A partial differential equation (PDE) is a differential equation that contains unknown multivariable functions and their partial derivatives. PDEs are used to formulate problems involving functions of several variables, and are either solved by hand, or used to create a relevant computer model. PDEs can be used to describe a wide variety of phenomena such as sound, heat, electrostatics, electrodynamics, fluid dynamics, elasticity, or quantum mechanics.

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University of Arkansas at Little Rock: Chem 3572 Physical Chemistry for Life Sciences
Noureen Siraj · University of Arkansas at Little Rock
In the contents: 11: Quantum Mechanics and Atomic Structure · 11.02: Planck's Quantum Theory · 11.09: Quantum-Mechanical Tunneling

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CHM2047: One-Semester General Chemistry
Valeria Kleiman · University of Florida
In the contents: 1.04: The failures of Classical Mechanics- the Particle Nature of Light · 02: Describing Quantum systems · 3.02: Quantum Numbers for Atomic Orbitals

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General Chemistry A Molecular Approach
LibreTexts (Textmap of Tro's Book) · LibreTexts
In the contents: 07: The Quantum-Mechanical Model of the Atom · 7.05: Quantum Mechanics and The Atom · 7.E: The Quantum-Mechanical Model of the Atom (Exercises)

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CH185: General Chemistry (Ragain)
LibreTexts
In the contents: 06: The Quantum-Mechanical Model of the Atom · 6.05: Quantum Mechanics and The Atom · 6.E: The Quantum-Mechanical Model of the Atom (Exercises)

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Quantum Tutorials
Frank Rioux · College of Saint Benedict/Saint John's University
In the contents: 01: Quantum Fundamentals · 1.01: An Approach to Quantum Mechanics · 1.05: Quantum Computation - A Short Course

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Introduction to Chemistry
Lance Lund · Anoka-Ramsey Community College
In the contents: 10.05: Quantum Mechanics and Atomic Orbitals

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PCC CHEM 001A: General Chemistry and Chemical Analysis
Pasadena Community College
In the contents: 08: The Quantum-Mechanical Model of the Atom · 8.05: Quantum Mechanics and The Atom · 8.E: The Quantum-Mechanical Model of the Atom (Exercises)

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Beginning Chemistry
Theodore Chan · Fullerton College
In the contents: 4.05: Quantum Mechanics · 4.06: Quantum Mechanical Atomic Model

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Chem 322: Physical Chemistry II
Mary Crawford · Knox College
In the contents: 8.02: Linear Operators in Quantum Mechanics · 8.04: The Quantum Mechanical Free Particle · 09: Postulates and Principles of Quantum Mechanics