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 is a property that is associated with a chemical change. It includes changes that alter the identity of a substance. Examples of a chemical property would be reaction with oxygen, reactivity, combustivity, burning. Change of color indicates that a chemical reaction has occurred.