Molecule
Contents
Key Stage 3
Meaning
A molecule is a particle made of two or more atoms chemically bonded together.
About Molecules
- A molecule can be shown in a diagram using The Dalton Model of atoms.
- A molecule could be made of many of the same type of atom so it is an element.
- Molecules can be made of many different types of atom and these molecules are called compounds.
Examples
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| This is a molecule of two Nitrogen atoms bonded together making it an element. | This is two Oxygen atoms bonded together into a molecule. | A water molecule is a compound made of one Oxygen bonded with two Hydrogen atoms. | Carbon Dioxide is a compound molecule made of one Carbon atom and two Oxygen atoms bonded together. |
References
AQA
- Molecule, pages 16-7, 64-5, 72-3, 106, GCSE Chemistry; Student Book, Collins, AQA
- Molecule, pages 82, 88-91, GCSE Physics; Student Book, Collins, AQA
- Molecules, pages 5, 38-51, GCSE Chemistry; Third Edition, Oxford University Press, AQA
- Molecules, pages 82-83, GCSE Physics; Third Edition, Oxford University Press, AQA
Edexcel
- Molecules (size of), page 151, GCSE Physics, CGP, Edexcel
- Molecules, pages 146, 184, GCSE Combined Science, Pearson Edexcel
- Molecules, pages 2, 40, GCSE Chemistry, Pearson, Edexcel
- Molecules, pages 22, 23, 74, 88, GCSE Chemistry; The Revision Guide, CGP, Edexcel
- Molecules, pages 58-61, GCSE Chemistry, CGP, Edexcel
- Molecules, pages 85, 86, 124, 138, GCSE Combined Science; The Revision Guide, CGP, Edexcel
- Molecules; diatomic, page 130, GCSE Chemistry, Pearson, Edexcel
- Molecules; diatomic, page 244, GCSE Combined Science, Pearson Edexcel
OCR
- Molecules, pages 14, 20, 35, Gateway GCSE Chemistry; The Revision Guide, CGP, OCR
- Molecules, pages 21, Gateway GCSE Physics, Oxford, OCR
- Molecules, pages 26, 36, 39, Gateway GCSE Chemistry, Oxford, OCR
- Molecules, pages 84, 92, 93, 108, 142, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR
- Molecules; formulae, pages 86-87, Gateway GCSE Chemistry, Oxford, OCR
- Molecules; moles, pages 96-97, Gateway GCSE Chemistry, Oxford, OCR
- Molecules; simple compounds, pages 60-61, 77, 87, Gateway GCSE Chemistry, Oxford, OCR
- Molecules; structures, pages 60-65, Gateway GCSE Chemistry, Oxford, OCR