IB Chemistry Definitions - Standard Level

Practise and master the definitions that correspond to the command terms define or distinguish used through out the IB Chemistry course.

1. Acid is an electron-pair acceptor

  • Lewis Acid
  • Bronsted-Lowry Acid
  • Strong Acid
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2. The minimum energy required for a chemical reaction to take place.

  • First Ionization Energy
  • Activation Energy
  • Catalyst

3. Base is a proton donor

  • Bronsted-Lowry Base
  • Lewis Acid
  • Alkaline

4. Base is an electron-pair donor

  • Lewis Base
  • Bronsted-Lowry Base
  • Alkaline

5. The energy required to break a mole of covalent bonds in the reactant, all reactants and products being in a gaseous state.

  • Average bond enthalpy
  • Standard Enthalpy of Reaction
  • First Ionization Energy


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