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.
An element/compound having a sour taste is a chemical property because it is an evidence that it is an acid. Being an acid tells us that it will react to a base when combined. The last option is also a chemical property because it tells that it reacts with an acid to form H2 gas. The chemical property of element/compound distinguishes it to another. Density and luster is a physical property because its value depends physically. A decrease in mass will result to a change in density.