What is the definition of allotropes?


The term allotrope refers to one or more physical forms of a chemical element that occurs in the same physical state. Allotropes may show differences in chemical and physical properties.

Properties of Allotropes

  • Allotropes are various structural types of the same element and therefore can exhibit  different physical and chemical properties.
  • The allotropic forms change is caused by the same forces that influence other structures, namely a light, pressure and temperature.
  • Thus the stability of the different allotropes relies on specific conditions.


graphite and diamond are both allotropes of carbon that occur in the solid-state

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