Avogadro Constant
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Contents
Key Stage 4
Meaning
The Avogadro Constant is the number of atoms in 12g of Carbon. 6.02x1023 atoms per mole.
About the Avogadro Constant
- The Avogadro Constant is used to state the number of atoms or molecules in a mole of a substance.
- The Avogadro Constant is normally written in standard form.
- 6.02x1023 = 602,000,000,000,000,000,000,000 correct to 3 Significant Figures.
- 1 mole of an element contains 6.02x1023 atoms of that element.
- 1 mole of a molecule contains 6.02x1023 molecules.
Extra Information
References
AQA
- Avogadro constant, page 106, GCSE Combined Science Trilogy; Chemistry, CGP, AQA
- Avogadro constant, page 112, GCSE Chemistry, CGP, AQA
- Avogadro constant, page 42, GCSE Chemistry; The Revision Guide, CGP, AQA
- Avogadro constant, page 65, GCSE Chemistry, Hodder, AQA
- Avogadro constant, pages 178-9, GCSE Combined Science Trilogy 1, Hodder, AQA
- Avogadro constant, pages 62-63, GCSE Chemistry; Third Edition, Oxford University Press, AQA
Edexcel
- Avogadro constant, page 220, GCSE Combined Science, Pearson Edexcel
- Avogadro constant, page 76, GCSE Chemistry, Pearson, Edexcel
- Avogadro’s constant, page 28, GCSE Chemistry; The Revision Guide, CGP, Edexcel
- Avogadro’s constant, page 91, GCSE Combined Science; The Revision Guide, CGP, Edexcel
- Avogadro’s constant, pages 85, 86, GCSE Chemistry, CGP, Edexcel