Bohr Model of the Hydrogen Atom, Electron Transitions, Atomic Energy Levels, Lyman & Balmer Series

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This chemistry video tutorial focuses on the bohr model of the hydrogen atom. It explains how to calculate the amount of electron transition energy that is released or absorbed whenever an electron jumps from one atomic energy level to another. The electron transition energy formula / equation helps you to calculate the energy levels of electrons in the hydrogen atom only. This video also explains what is meant by the lyman, balmer and paschen series. The lyman series is associated with UV radiation. The balmer series is associated with the visible light emission spectrum and the paschen series is related to the infrared region of the electromagnetic spectrum. The bracket series and pfund series are part of the IR spectrum as well. This video contains plenty of examples and multiple choice practice problems.

Atomic Theory - Formula Sheet:


Speed of Light, Frequency, Wavelength:


Photon Energy:


The Photoelectric Effect:


De Broglie Wavelength:


The Bohr Model of Hydrogen:


Heisenberg's Uncertainty Principle:


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Intro to Quantum Numbers:


Orbitals & Atomic Energy Levels:


Maximum Number of Electrons:


Intro to Electron Configuration:


Electron Configuration Exceptions:


Noble Gas Notation:


Electron Configuration of Ions:


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Orbital Diagrams:


Paired & Unpaired Electrons:


Aufbau's Principle & Hund's Rule:


Paramagnetic & Diamagnetic Elements:


Valence Electrons & Periodic Table:


Effective Nuclear Charge:


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Slater's Rule:


How To Identify The Element:


Quantum Numbers - Mega Review:


Quantum Numbers - Practice Test:


Final Exams and Video Playlists:


Full-Length Videos and Worksheets: