sentence: Allotropes are different forms of the same chemical element.
sentences_after: All elements are made up uniquely of their own atoms. Any physical differences are because of how the atoms are joined together. Many elements show allotropy because there are a number of ways in which the atoms can be linked together. Also there are different ways in how the molecules can be arranged to make larger structures.
concept_name: allotrope
headings: Allotropes of carbon
categories: Carbon