Alphonse Atoll Alphonse Atoll Alphonse Atoll is one of two atolls of the Alphonse Group, the other being St. François Atoll — both in the Outer Islands (Coralline Seychelles) coral archipelago of the Seychelles. Alphonse Atoll lies south of the main Amirantes bank, from which it is separated by deep water. It has a distance of south of Victoria, Seychelles. Alphonse lies just north of St. François Atoll, separated from it by a deep channel. The atoll has just one island, Alphonse Island, with a population of 108 people who work in the Alphonse hotel or maintain the runway and island for
Chemical substance gasoline is not a single chemical compound or even a particular mixture: different gasolines can have very different chemical compositions, as "gasoline" is primarily defined through source, properties and octane rating. Every chemical substance has one or more systematic names, usually named according to the IUPAC rules for naming. An alternative system is used by the Chemical Abstracts Service (CAS). Many compounds are also known by their more common, simpler names, many of which predate the systematic name. For example, the long-known sugar glucose is now systematically named 6-(hydroxymethyl)oxane-2,3,4,5-tetrol. Natural products and pharmaceuticals are also given simpler names, for example