C1 - Atomic Structure

C1 - Atomic Structure

1. Subatomic Particles

   • Neutrons
     • Charge - 0
     • Mass - 1
     • Nucleus
   • Protons
     • Mass - 1
     • Charge - +1
     • Nucleus
   • Electrons
     • Charge - -1
     • Mass - 0
     • Shells

2. Equations

   • Mass Number = protons - electrons
   • Atomic Number = protons

3. Separating Mixtures

   • Filtration
   • Crystallisation
   • Distillation
   • Fractional Distillation
   • Chromatography

4. History of the Atom

5. Isotopes and Ions

   • Isotopes
     • Same Protons Different Neutrons
     • Different Physical Properties Same Chemical Properties
   • Ions
     • Gain electrons: Negative Charge
     • Lose Electrons: Positive Charge
     • Same Protons Different Electrons

6. Electronic Structure

   • Electrons are organised into shells
   • • First Shell: 2 Electrons Second Shell: 8 Electrons Third Shell: 8 Electrons and every shell afterwards holds 8 electrons

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