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18 Cards in this Set
- Front
- Back
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Homologous series |
A series of organic compounds with the same functional group but with each successive number differing by CH2 |
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Lattice enthalpy |
The enthalpy change that accompanies the formation of 1 mole of an ionic compound from its gaseous ions under standard conditions |
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Standard enthalpy change of solution |
The enthalpy change that takes place when 1 mole of a compound is completely dissolved in water under standard conditions |
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Standard enthalpy change of hydration |
The enthalpy change that takes place when one mole of isolated gaseous ions is dissolved in water forming one mole of aqueous ions under standard conditions |
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Standard enthalpy change of atomisation |
The enthalpy change that takes place when one mole of gaseous atoms forms from the element in its standard state |
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Standard enthalpy change of combustion |
The enthalpy change that takes place when one mole of a substance reacts completely with oxygen under standard conditions, all reactants and products in their standard states |
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Standard enthalpy change of formation |
The enthalpy change that takes place when one mole of a compound is formed from its constituent elements in their standard states under standard conditions |
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Standard enthalpy change of neutralisation |
The enthalpy change that accompanies the reaction of an acid by a base to form one mole of H2O under standard conditions with all reactants and products in their standard states |
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Standard enthalpy change of reaction |
The enthalpy change that accompanies a reaction in the molar quantities expressed in the chemical equation under standard conditions, all reactants and products being in their standard states |
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First ionisation energy |
The energy required to remove one electron from each atom in one mole of gaseous atoms of an element to form one mole of gaseous 1+ ions |
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Relative isotopic mass |
The mass of an atom of an isotope compared to one twelfth of the mass of an atom of carbon 12 |
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Relative atomic mass |
The weighted mean mass of an atom of an element compared to one twelfth of the mass of an atom of Carbon 12 |
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Relative formula mass |
The weighted mean mass of an atom of the formula unit of a compound compared to one twelfth of the mass of an atom of Carbon 12 |
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Relative molecular mass |
The weighted mean mass of a compound compared to one twelfth of the mass of an atom of Carbon 12 |
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Nucleophile |
An atom (or group of atoms) which is attracted to an electron deficient centre or atom, where it donates a pair of electrons to form a new covalent bond |
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Electrophile |
An atom (or group of atoms) which is attracted to an electron rich centre or atom, where it accepts a pair of electrons to form a new covalent bond |
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Lone pair |
An outer shell pair of electrons that is not involved in chemical bonding |
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Free radical |
A species with an unpaired electron |
