Physics A Level

Up Learn – A Level physics (AQA) – THE ATOM AND BEYOND

What do we mean by lepton number and why is it useful?

 

Transcript

Lesson overview

The Atom

  1. Introduction to the Atom and Beyond
  2. The Constituents of the Atom
  3. The Nucleus
  4. Electrons in The Bohr-Rutherford Model – Article
  5. The Mass of The Electron
  6. The Mass of The Nucleons
  7. The Charge of Particles
  8. Relative Charge
  9. Proton Number
  10. Proton Number Notation
  11. 118 Elements in the Periodic Table – Article
  12. Ions
  13. Ions and Relative Charge
  14. Charge Notation
  15. Special Cases of Charge Notation
  16. Isotopes
  17. Nucleon Number
  18. Nucleon Number Notation
  19. AZX Notation
  20. Calculating The Neutron Number – Article

Specific Charge

  1. Introduction To Specific Charge
  2. Mass and Charge: Recap – Article
  3. Specific Charge
  4. Specific Charge – Worked Example
  5. Calculating The Specific Charge of Nuclei

Quarks

  1. Introduction to Quarks
  2. Qwarks and Qworks
  3. Protons and Quarks
  4. Fundamental Particles
  5. The Up Quark
  6. The Down Quark
  7. How Do We Know Quark Charges? – Article
  8. Protons, Neutrons, Quarks and Relative Charge
  9. The Strange Quark
  10. 10
  11. .
  12. Baryons
  13. Quarks and Baryon Number
  14. Quarks and Strangeness
  15. Properties of Quarks – Article
  16. Other Quarks – Article

Leptons

  1. Introduction to Leptons
  2. Electrons and Leptons
  3. The Discovery of The Muon
  4. The Muon: Charge and Symbol
  5. Neutrinos
  6. Neutrino Flavours and Symbols
  7. Neutrino Charge and Mass
  8. Lepton Number
  9. The Tau – Article

Antiparticles

  1. Introduction To Antiparticles
  2. The History of Antiparticles – Article
  3. Fundamental Particles and Their Antiparticles
  4. Quantum Numbers
  5. Antiparticles and Quantum Numbers
  6. Antiparticle Mass – Article
  7. Naming Antiparticles
  8. Antiparticle Symbols
  9. Antihydrogen
  10. Where’s all the antimatter? – Article

Bosons and Exchange Particles

  1. Introduction to Bosons and Exchange Particles
  2. The Four Fundamental Forces
  3. The Electromagnetic Force
  4. Gravity
  5. The Strong Nuclear Force: Basics
  6. The Strong Nuclear Force: Range
  7. The Strong Nuclear Force: Range Diagram
  8. The Weak Nuclear Force: Basics
  9. Particles and Forces
  10. Exchange Particles and Fundamental Bosons – Article
  11. Exchange Particles and the Weak Nuclear Force
  12. Exchange Particles and the Electromagnetic Force
  13. Exchange Particles and the Strong Nuclear Force
  14. Exchange Particles – Article

Hadrons

  1. Introduction to Hadrons
  2. Hadrons
  3. Baryons – Article
  4. Baryons and Antibaryons
  5. Other Baryons – Article
  6. Mesons
  7. The Pion – Article
  8. Pion Composition
  9. Pion Charge
  10. Pion Name and Symbol
  11. The Kaon
  12. Kaon Charge
  13. Kaon Name and Symbol
  14. Stable Hadrons
  15. Identifying Hadron Composition – Worked Example