Chemistry Unit 2 2.0 / 5 based on 1 rating ? ChemistryAll LevelsAQA Created by: Brain...Created on: 17-05-13 20:50 A lot of energy is needed to break this up because there is a lot of strong ionic bonds to break Giant Ionic Structure 1 of 6 These Polymers do not melt when heated because they have stong covelent bonds, forming 'cross links' between the polymer chains Thermosetting Polymers 2 of 6 Some Polymers will soften easily, but they will reset when they cool down. They are made of individual polymer chains that are tangled together. Thermosoftening Polymers 3 of 6 We can make polymers from chemicals made from... Crude Oil 4 of 6 When they are heater up, they return to their original shape. Shape Memory Alloys 5 of 6 The layers in atoms in pure metals are able to slide easily over each other... What is this structure called? Giant Metalic Structures 6 of 6
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