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.
The smallest particle or piece of a compound is called a molecule. It is the basic unit of a substance and carries basically all of a compound's chemical properties. It cannot â¦ be further reduced and still retain the compound's chemical identity.  An easy example is water. Physical Properties of Chemicals Chemistry is the study of chemical properties and reactions. 2  Every chemical has a set of properties that distinguishes it from other chemicals and makes it unique.