Chemistry Defintions

Process that occurs whena gas, liquid or solute is held to the surface of a solid
Adsorption
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Side chain fromed after the removal of a hydrogen atom from the alkane parent chain
Alkyl Group
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A system that minimises pH changes on addition of an acid or a base
Buffer
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A transition metal ion bonded to ligands by coordinate bonds
Complex ion
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A separation in electrical charges
Dipole
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The point in a titration where the indicator changes colour
End Point
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The point in a titration at which the volume of one solution has reacted exactly with the volume of the second solution
Equivalence Point
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Enthalpy change that takes place when one electron is added to each atom in one mole of gaseous atoms to form one mole of gaseous +1 ions
First Electron Affinity
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The part of the organic molecule responsible for its chemical reactions
Functional Group
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The breaking of a covalent bond with both of the bonded electrons going to each atom
Heterolytic Fission
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A series of organic compounds with the same functional group but with each successive member differed by the addition of a -CH2 group
Homologous Series
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When a system in d.e is subjected to an external change, the system adjusts itself to minimise the effect of the change
Le Chatelier's Principle
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A small molecule that combines with other ... to form a polymer
Monomer
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An atom, or group of atoms, that is attracted to an electron-deficient centre or atom, where it donates an electron pair to form a covalent bond
Nucleophile
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Bond formed from the sideways overlap of two p-orbitals, with e.d above and below the plane
Pi Bond
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A specific arrangement of atoms that occur in the structure repeatedly
Repeat Unit
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The tine for a component to pass from the column inlet to the detector
Retention Time
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The interaction between spin states of non-equivalent nuclei that results in the spinning of a signal
Spin-spin coupling
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Molecules with the same molecular formula bt with a different structural formula
Structural isomers
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a d-block element which forms an ion with an incomplete d-sub-shell
Transition Element
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Water molecules that are bonded into a crystalline structure of a compound
Water of crystallisation
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Enthalpy change that accompanies the formation of one mole of an ionic compound from its gaesus ions under standard conditions
Lattice enthalpy
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Other cards in this set

Card 2

Front

Side chain fromed after the removal of a hydrogen atom from the alkane parent chain

Back

Alkyl Group

Card 3

Front

A system that minimises pH changes on addition of an acid or a base

Back

Preview of the front of card 3

Card 4

Front

A transition metal ion bonded to ligands by coordinate bonds

Back

Preview of the front of card 4

Card 5

Front

A separation in electrical charges

Back

Preview of the front of card 5
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