GCSE Combined Science (AQA)

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The Reactivity Series

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Chemical changes Reactivity of metals

The Reactivity Series

3:36 Metal Reactivity, Oxidation, and Extraction
Spec 4.4.1.2
Previous Metabolism Next Reacting Metals with Water and Acids
  • Metals react by forming positive ions.
  • Metals give away their outer shell electrons to other atoms.
  • Reactivity of a metal is related to its tendency to form positive ions.
  • Sodium (Group 1) loses outer electrons more easily than magnesium (Group 2).
  • Sodium is more reactive than magnesium.
  • Metals can be arranged in a reactivity series.
  • Reactivity series is ordered by increasing reactivity.
  • Copper is the least reactive, potassium is the most reactive.
  • Hydrogen and carbon are included in the reactivity series.
  • Non-metals are included for electrolysis and metal extraction processes.
  • Metals are arranged based on reactions with water and dilute acids.
  • More vigorous reactions indicate higher reactivity.
  • Sodium reacts more vigorously with water than magnesium.
  • Reactivity is linked to the ease of forming positive ions.
  • Group 1 metals form positive ions more easily than Group 2 metals.
  • Reactions with water and dilute acids help build the reactivity series.

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