GCSE

Chemistry (Single Science) - WJEC

Easy-to-understand homework and revision materials for your GCSE Chemistry (Single Science) WJEC (A* to G) studies and exams

Part ofChemistry (Single Science)

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Unit 1
- The nature of substances and chemical reactions
  Guide Number
  4 Guides
- Atomic structure and the periodic table
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  5 Guides
- Water
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  3 Guides
- The ever changing world
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  2 Guides
- Rate of chemical change
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  2 Guides
- Limestone [GCSE Chemistry only]
  This topic covers the thermal stabilities of different metal carbonates, as well as specific reactions and uses of limestone (calcium carbonate) and the wider implications of its use.

Unit 2
- Bonding, structure and properties
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  3 Guides
- Acids, bases and salts
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  3 Guides
- Metals and their extraction
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  4 Guides
- Energy changes in chemical reactions
  The changes in energy that occur during a chemical reaction can be seen by examining the changes in chemical bonding. This can be used to classify reactions as exothermic or endothermic.
- Crude oil, fuels and organic chemistry
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  4 Guides
- Reversible reactions, industrial processes and important chemicals
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  2 Guides

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