Chemistry

Acid: A chemical with a pH of lower than 7
Alkali: A chemical with a pH of higher than 7
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Activation Level: the minimum amount of energy needed to cause a reaction-catalysts lower this
Alkali metal: One of the 6 metals in group 1 of the periodic table-Lithium, sodium, potassium, rubidium,caesium and francium
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Alkane: a saturated hydrocarbon and only have single bonds-made by cracking hydrocarbons through fractional distillation
Alkene: an unstaurated hydrocarbon with at least one double bond
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Alloy: a mixture of two or more metals or a mixture of a metal or non metal
Atom: The smallest part of an element that can enter into a chemical reaction
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Atomic number: Number of protons in an atom
Chromatography: technique used to separate different compounds in a mixture according to how soluble they are
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Compound: a substance made up of two or more elements that are chemically bonded together
Covalent bond: bond between two atoms in which both atoms share one or more electrons
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Cracking: used in the oil industry to break down hydrocarbons into smaller and more useful ones
Distillation: the separation of a liquid from a mixture by evaporation and condensation
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Electrolysis: the process by which an electric current causes a solution to undergo chemical decomposition
Electronic structure: a set of numbers to show how many electrons are in each shell of an element
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Element: a substance which is made up of only one type of atom
Endothermic: takes in energy from the surroundings
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Exothermic: releases energy to the surroundings
Equilibrium: the point in a reversible reaction in which the forward answer back rates of reaction are the same
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Fractional distillation: a way to separates liquids by boiling off substnaces at different temperatures
Giant covalent structure: huge 3D network of covalently bonded atoms
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Giant lattice: huge 3D network of atoms or ions
Hydrocarbons: a compound containing only hydrogen anencephaly carbon
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Intermolecular force: the attraction between individual molecules in a covalently bonded structure
Ion: a charged particle produced by the loss or gain of electrons
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Ionic bond: The bond formed between two or more atoms when one loses and another gains electrons
Isotope: atoms that have the same number of of protons but different neutrons
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Mass number: The number of protons plus number of neutrons
Mole: the amount of substance in the realative atomic or formula mass of a substance in grams
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Monomer: small molecules that react together in repeating sequences to form a larger molecule
Neutralisation: a reaction between an acid And base that forms a neutral solution
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Neutron: found in the nucleus of an atom with no charge
Nucleus: small core of an atom which contains protons and neutrons
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Oxidation: the reaction when oxygen isn’t added to a substance
Polymer: a substance Madeleine from very large molecules made up of many repeating molecules
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Precipitate: insoluble solid formed by a reaction taking place in a solution
Product: the substance made at the end of a chemical reaction
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Proton: found in the nucleus with a positive charge
Reactant: a substances present at the start of a chemical reaction
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Reduction: a reaction involving the loss of oxygen
Relative atomic mass: the average mass of an atom of an element
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Relatives formula mass: the sum of all atoms in a molecules
Thermal decomposition: the breakdown of chemical substance due to the action of heat
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Titration: a method for measuring the volumes of two solutions that react together
Salt: a compound formed when some or all of the hydrogen in an acid is replaced by a metal
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Other cards in this set

Card 2

Front

Alkali metal: One of the 6 metals in group 1 of the periodic table-Lithium, sodium, potassium, rubidium,caesium and francium

Back

Activation Level: the minimum amount of energy needed to cause a reaction-catalysts lower this

Card 3

Front

Alkene: an unstaurated hydrocarbon with at least one double bond

Back

Preview of the back of card 3

Card 4

Front

Atom: The smallest part of an element that can enter into a chemical reaction

Back

Preview of the back of card 4

Card 5

Front

Chromatography: technique used to separate different compounds in a mixture according to how soluble they are

Back

Preview of the back of card 5
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