In IUPAC nomenclature, however, hexane is the unbranched isomer (n-hexane); the other four isomers are named as methylated derivatives of pentane and butane. IUPAC also uses the term as the root of many compounds with a linear six-carbon backbone, such as 2-methylhexane (C7H16), which is also called isoheptane.
Dentin is the substance between enamel or cementum and the pulp chamber. It is secreted by the odontoblasts of the dental pulp. The formation of dentin is known as dentinogenesis. The porous, yellow-hued material is made up of 70% inorganic materials, 20% organic materials, and 10% water by weight.
A multivalent nonmetal of the nitrogen group, phosphorus is commonly found in inorganic phosphate rocks. Phosphorus is a mineral that makes up 1% of your total body weight. While it is in every cell of your body, most of the phosphorus in your body is in your bones and teeth. Approximately 85% of your body's phosphorus is in your bones. 5 people found this useful.