Allotropy (Gr. allos, other, and tropos, manner) or allotropism's a behavior exhibited by certain chemical elements: these elements can exist in two or more different forms, known as allotropes of that element. In each allotrope, the element's atoms are bonded together in a different manner. Allotropes are different structural modifications of an element. Allotropes shouldn't be confused with isomers, which are chemical compounds that share the same molecular formula but have different structura… (More on Allotropy)