For the majority of questions in this exercise, clicking the question itself will take you to selected help files in the form of text pages (Help Cards), areas of the Higher Chemistry review and revision resource or other areas selected from the internet.
If you are struggling with a question click on it to access this help.
The links do not provide the answer, but give clues to help you work the answer out. You are expected to answer all questions assigned.
For general revision of this area of the Unit, the BBC Bitesize website provides the basics and the Chemguide website will give an in depth understanding – often beyond the scope of the syllabus!
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| A marking guide for this Homework is available (password required). |


