Difference between revisions of "Molecule"

Revision as of 18:50, 22 November 2019

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


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

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