Science / Geology / Hydrocarbon: Any organic chemical compound (gaseous, liquid or solid) that is composed of carbon and hydrogen. The term is frequently used in reference to fossil fuels, specifically crude oil and natural gas.

Chlorinated Hydrocarbons

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

Magnesium (Mg)

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: 0. 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

Oil Shale

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

Fluorine (F)

Science / Periodic Table of Elements / Fluorine (F): Atomic number: 9, Atomic mass: 18.998403 g.mol -1, Electronegativity: 4, Density: 1.8*10-3 g.cm-3 at 20°C, Melting point: -219.6 °C, Boiling point: -188 °C, Vanderwaals radius: 0.135 nm, Ionic radi MORE

Lithium (Li)

Science / Periodic Table of Elements / Lithium (Li): Atomic number: 3, Atomic mass: 6.941 g.mol -1, Electronegativity: 1.0, Density: 0.53 g.cm -3 at 20 °C, Melting point: 180.5 °C, Boiling point: 1342 °C, Vanderwaals radius: 0.145 nm, Ionic radius: 0 MORE