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.
A physical property is one that can be changed without altering the  chemical formula of the substance, e.g., gas to liquid. A chemical  property is one that is unique to thâ¦at substance and altering it  will change that substance chemically, e.g. density or molar mass.