Polymorphism of elements is different forms of the same element. If an element can exist in different forms, then its religion is called polymorphism. These variations differ from one another in physicality and in the degree of their chemical activity. The elements like carbon , sulfur , phosphorus etc. show polymorphism. Polymorphism of carbon: Carbon is a solid polymorphic element. Its various variants can be mainly divided into two categories. Namely: 1. Granular , II. Adanadar. 1. There are two main types of granular carbon. Namely: a. Diamond , b. Graphite. 2. Adanadar: Adanadar carbon is mainly of three types. Namely: a. Charcoal or coal , b. Straw coal and c. Cole.