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. The number of protons in its nucleus. Its is also equal to the number of electrons the atom contains. - this also defines the element and its position in the Periodic Table.

  • Period
  • Atomic Number
  • Isotopes
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2. The gain of electrons

  • Reducing Agent
  • Reduction
  • Oxidation

3. Measurements that have small random errors.

  • Precision
  • Anomaly
  • Accuracy

4. Acids and bases that are only partially dissociated

  • Weak Acids and Bases
  • Neutral Solution
  • Lewis Acids and Bases

5. The increase in concentration of products (or the decrease in concentration of reactants) per unit time.

  • Rate of Reaction
  • Endothermic Reaction
  • Kinetic Energy


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