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1 Allotropes are forms of the same element which exhibit different physical properties. 2  Elements such as carbon, oxygen, phosphorus, tin and sulfur, display allotropy.
Adorable animal families that will make you aww. Allotropes are forms of a chemical element that differ at the molecular level, or in the way the atoms are arranged into molecules. Many elements occur in different allotropes, among them carbon, oxygen, phosphorus, and sulfur. These different forms can differ greatly in their physical properties, such as color, hardness and electrical conductivity, and in their chemical reactivity.