Science / Chemistry / Hydrocarbon: Hydrocarbons are organic compounds that contain only hydrogen and carbon. The simplest hydrocarbons are the alkanes.
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Business / Agriculture / Chlorinated Hydrocarbons: Also known as organochlorines, these synthetic organic compounds contain chlorine. They tend to be persistent in the environment and to biomagnify in the food chain. Chlorinated hydrocarbons that are MORE
Science / Geology / Oil Shale: A dark-colored shale containing an unusual amount of solid organic material known as kerogen. This shale can be crushed and heated to liberate gaseous and liquid hydrocarbons. At present the expenditu MORE
Science / Geology / Crude Oil: A liquid hydrocarbon produced from natural underground reservoirs. It might also include liquid hydrocarbons produced from tar sands, gilsonite, and oil shale. Crude oil can be refined into a number o MORE
Science / Chemistry / Natural Gas: A mixture of methane and other gases, found trapped over petroleum deposits under the earth. MORE
Science / Geology / Petroleum: A group of liquid hydrocarbons that includes: crude oil, lease condensate, unfinished oils, refined products obtained from the processing of crude oil, and natural gas liquids. MORE
Science / Periodic Table of Elements / Magnesium (Mg): Atomic number: 12, Atomic mass: 24.305 g.mol -1, Electronegativity: 1.2, Density: 1.74 g.cm -3 at 20 ?°C, Melting point: 650 ?°C, Boiling point: 1107 ?°C, Vanderwaals radius: 0.16 nm, Ionic radius: MORE