KnowraAllotropyLinked fromLinked fromThe 20 pages that link to Allotropy, each with the reason it gives.All 20Broader topic 1Related 10Narrower topic 5Compared with 4Crystal structureCompared with: Carbon allotropes show how one element can form sharply different crystal structures.Chemical elementCompared with: Different structures can look unlike one another while remaining the same element.Crystal polymorphismCompared with: It is the elemental counterpart of polymorphism, rather than a phenomenon in compounds alone.MoleculeCompared with: Elemental forms can differ in structure even when they are not discrete molecules.