other cyclic hydrocarbons
11Angle strain — The presence of angle strain in a molecule indicates that in a specific chemical conformation there exist bond angles that deviate from the ideal bond angles required to achieve maximum bond strength. Maximum bond strength results from effective… …
12Chemical vapor deposition of ruthenium — is a method to deposit thin layers of ruthenium on substrate by Chemical vapor deposition (CVD). A unique challenge arises in trying to grow impurity free films of a catalyst in Chemical vapor deposition (CVD). Ruthenium metal activates C H and C …
13Progesterone — Systematic (IUPAC) name Pregn 4 ene 3,20 dione …
14Benzène — Structure et représentations du benzène Général Nom IUPAC Benzène …
15Terra preta — (“dark soil” in Portuguese) refers to expanses of very dark, fertile anthropogenic soils found in the Amazon Basin. It owes its name to its very high charcoal content. It is also known as “Amazonian dark earth” or “Indian black earth”. In… …
16oxygen group element — ▪ chemical element Introduction also called chalcogen, any of the five chemical elements making up Group 16 (VIa) of the periodic classification namely, oxygen, sulfur, selenium, tellurium, and polonium. (See Figure >.) A relationship among… …
17Alkane — Not to be confused with Alkene or Alkyne. Chemical structure of methane, the simplest alkane Alkanes (also known as paraffins or saturated hydrocarbons) are chemical compounds that consist only of hydrogen and carbon atoms and are bonded… …
18chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements …
19organosulfur compound — ▪ chemical compound Introduction also spelled organosulphur compound , also called organic sulfur compound a subclass of organic substances that contain sulfur and that are known for their varied occurrence and unusual properties. They are… …
20Benzene — For other uses, see Benzene (disambiguation). See also: Benzole Benzene …
