C1, C2, C3 keywords

Jessica Phillips
Flashcards by , created about 5 years ago

Keywords for C1,2 and 3 revision.

Jessica Phillips
Created by Jessica Phillips about 5 years ago
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Question Answer
Melting point The temperature at which something melts.
Monomer A small molecule that can be joined to make others in long chains to make it a polymer.
Branched chain A chain of carbon atoms with short branches.
Polymerise The joining together of lots of small molecules called monomers to form a long chain molecule called a polymer.
Crystalline polymer A polymer with crystals lined up in a regular way as in a crystal.
Crude oil A dark, oily liquid found in the Earth, which is a mixture of hydrocarbons.
Hydrocarbon A compound of hydrogen and carbon only. Ethane is a hydrocarbon.
Fraction A mixture of hydrocarbons with similar boiling points that have been separated from crude oil by fractional distillation.
Fractional distillation The process of separating crude oil into groups of molecules with similar boiling points called fractions.
Chemical synthesis Making a new chemical by joining together simpler chemicals.
Material The polymers, metals, glasses and ceramics that we use to make all sorts of objects and structures.
Properties The physical and chemical characteristics of a chemical are what make it different from other chemicals.
Polymer A material made of very long molecules formed by joining lots of small molecules called monomers together.
Natural A material that occurs naturally but may need processing to make it useful, such as silk, cotton and leather.
Mixture Two or more different chemicals, mixed but not joined chemically.
Synthetic A material made by a chemical process, not naturally occurring.
Tectonic plates Giant slabs of rock that make up the Earths outer layer.
Magnetic A material that is attracted to a magnet. For example, iron is magnetic.
Sedimentary rock Rock formed from layers of sediment.
Grains A small particle of a substance, for example, grains of sand.
Erosion The movement of solids at the Earths surface cause by wind, water, ice, gravity and living organisms.
Evaporation The change in state from a liquid to a gas.