Chemistry terms a21 Study guides, Revision notes & Summaries
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Download this complete,fully solved and updated actual exam for Revised CCEA Chemistry A21 terms
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Lattice enthalpy 
The enthalpy change when one mole of an ionic compound is converted to gaseous ions. 
 
 
 
Enthalpy of atomisation 
The enthalpy change when one mole of gaseous atoms isformed from the element in its standard state. 
 
 
 
 
First electronaffinity 
The enthalpy change when one mole of gaseous atoms is converted into gaseous ions with a single negative charge. 
 
 
 
Enthalpy of solution 
The enthalpy change when one mole of a solute dissolves in water. 
 
 
 
Enthalpy of hydra...
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Chemistry Terms- A21 with verified definitions(latest update)|GUARANTEED SUCCESS
- Exam (elaborations) • 5 pages • 2024
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Lattice enthalpy 
The enthalpy change when one mole of an ionic compound is converted to gaseous ions. 
 
 
 
Enthalpy of atomisation 
The enthalpy change when one mole of gaseous atoms is formed from the element in its standard state 
 
 
 
 
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First electron affinity 
The enthalpy change when one mole of gaseous atoms is converted into gaseous ions with a single negative c...
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