Section: 2. Structure of Atom | Chemistry - KhanAcademy

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  Discovery of Sub-Atomic Particles
  
  Select activity Protons, neutrons, and electrons in atoms
  
  Protons, neutrons, and electrons in atoms Lesson
  
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  Select activity Discovery of electrons
  
  Discovery of electrons Lesson
  
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  Atomic Models
  
  Select activity RutherfordÂ s gold foil experiment
  
  
  
  RutherfordÂ s gold foil experiment Lesson
  
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  Select activity Atomic number, mass number, and isotopes
  
  
  
  Atomic number, mass number, and isotopes Lesson
  
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  Select activity Isotopes
  
  
  
  Isotopes Lesson
  
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  Select activity Atomic number, mass number and isotopes
  
  
  
  Atomic number, mass number and isotopes Lesson
  
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  Select activity Worked example: Identifying isotopes and ions
  
  
  
  Worked example: Identifying isotopes and ions Lesson
  
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  Select activity Worked Example: Isotopes, Isobars & Isotones
  
  
  
  Worked Example: Isotopes, Isobars & Isotones Lesson
  
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  Developments Leading To The Bohr’s Model of Atom
  
  Select activity Electromagnetic waves and the electromagnetic spectrum
  
  
  
  Electromagnetic waves and the electromagnetic spectrum Lesson
  
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  Select activity Introduction to light
  
  
  
  Introduction to light Lesson
  
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  Select activity Amplitude, period, frequency and wavelength of periodic waves
  
  
  
  Amplitude, period, frequency and wavelength of periodic waves Lesson
  
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  Select activity Photon Energy
  
  
  
  Photon Energy Lesson
  
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  Select activity Photoelectric effect
  
  
  
  Photoelectric effect Lesson
  
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  Select activity Absorption and emission
  
  
  
  Absorption and emission Lesson
  
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  Select activity Emission spectrum of hydrogen
  
  
  
  Emission spectrum of hydrogen Lesson
  
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  Select activity Dual nature of EM radiation
  
  
  
  Dual nature of EM radiation Lesson
  
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  Bohr’s Model For Hydrogen Atom
  
  Select activity Bohr model radii (derivation using physics)
  
  
  
  Bohr model radii (derivation using physics) Lesson
  
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  Select activity Bohr model radii
  
  
  
  Bohr model radii Lesson
  
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  Select activity Bohr model energy levels (derivation using physics)
  
  
  
  Bohr model energy levels (derivation using physics) Lesson
  
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  Select activity Bohr model energy levels
  
  
  
  Bohr model energy levels Lesson
  
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  Select activity Atomic Energy Levels
  
  
  
  Atomic Energy Levels Lesson
  
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  Towards Quantum Mechanical Model of The Atom
  
  Select activity De Broglie wavelength | Physics
  
  
  
  De Broglie wavelength | Physics Lesson
  
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  Select activity Dual behaviour of matter: de Broglie wavelength
  
  
  
  Dual behaviour of matter: de Broglie wavelength Lesson
  
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  Select activity Heisenberg uncertainty principle
  
  
  
  Heisenberg uncertainty principle Lesson
  
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  Quantum Mechanical Model of Atom
  
  Select activity Quantum Wavefunction
  
  
  
  Quantum Wavefunction Lesson
  
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  Select activity Quantum numbers
  
  
  
  Quantum numbers Lesson
  
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  Select activity Quantum numbers for the first four shells
  
  
  
  Quantum numbers for the first four shells Lesson
  
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  Select activity The Aufbau principle
  
  
  
  The Aufbau principle Lesson
  
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  Select activity Quantum numbers - Worked problem
  
  
  
  Quantum numbers - Worked problem Lesson
  
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2. Structure of Atom

Section outline

Discovery of Sub-Atomic Particles

Atomic Models

Developments Leading To The Bohr’s Model of Atom

Bohr’s Model For Hydrogen Atom

Towards Quantum Mechanical Model of The Atom

Quantum Mechanical Model of Atom

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