OCR A A2 Chemistry Module 1 Unit 1 Definitions

Definitions from the Key Definition boxes of the OCR A A2 Chemistry textbook.

I apologise in advance for any typos!

Hope the document is useful and will save you time typing them out for yourself.

I will add Module 2 and 3 also - check my other resources

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  • Created by: Erin
  • Created on: 16-01-15 18:26

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Unit 1 Rings, polymers and analysis
Module 1 Rings, acids and amines

Aromatic ­ any compound with the benzene ring

Delocalised electrons ­ are shared between more than two atoms

Addition reaction ­ one in which a reactant is added to an unsaturated molecule to make a saturated


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High-density lipoprotein (HDL) ­ can remove cholesterol from the arteries and transport it back to the liver
for excretion or re-utilisation


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