In humans, the calcaneus (/kaelËkeÉªniËÉs/ ; kÃ¦lËkeÉªniËÉs from The latin calcaneus or, calcaneum meaning) heel or heel bone is a bone of the tarsus of the foot which constitutes the. heel
1 Intensive properties, such as density and color, do not depend on the amount of the substance present. 2  Physical properties can be measured without changing a substance's chemical identity.  Chemical properties can be measured only by changing a substance's chemical identity.
Chemical property. A chemical property is any of a material's properties that becomes evident during a chemical reaction; that is, any quality that can be established only by changing a substance's chemical identity.hemical properties can be used for building chemical classifications. They can also be useful to identify an unknown substance or to separate or purify it from other substances. Materials science will normally consider the chemical properties of a substance to guide its applications.