Difference between revisions of "Dot and Cross Diagram"
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:[https://www.amazon.co.uk/gp/product/178294639X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=178294639X&linkCode=as2&tag=nrjc-21&linkId=51599bb45a2bfaf7c1b6a978b2ca2616 ''Dot and cross diagrams, pages 72-76, 78, 79, 81-83, GCSE Combined Science Trilogy; Chemistry, CGP, AQA ''] | :[https://www.amazon.co.uk/gp/product/178294639X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=178294639X&linkCode=as2&tag=nrjc-21&linkId=51599bb45a2bfaf7c1b6a978b2ca2616 ''Dot and cross diagrams, pages 72-76, 78, 79, 81-83, GCSE Combined Science Trilogy; Chemistry, CGP, AQA ''] | ||
:[https://www.amazon.co.uk/gp/product/1782945962/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945962&linkCode=as2&tag=nrjc-21&linkId=476bb5c8d1dfb5c08ac81b6d4d1c98d8 ''Dot and cross diagrams, pages 74-78, 80, 81, 83-85, GCSE Chemistry, CGP, AQA ''] | :[https://www.amazon.co.uk/gp/product/1782945962/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945962&linkCode=as2&tag=nrjc-21&linkId=476bb5c8d1dfb5c08ac81b6d4d1c98d8 ''Dot and cross diagrams, pages 74-78, 80, 81, 83-85, GCSE Chemistry, CGP, AQA ''] | ||
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| + | ====Edexcel==== | ||
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| + | :[https://www.amazon.co.uk/gp/product/1292120193/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120193&linkCode=as2&tag=nrjc-21&linkId=572df39392fb4200db8391d98ae6314e ''Dot and cross diagrams, page 184, GCSE Combined Science, Pearson Edexcel ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1292120215/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120215&linkCode=as2&tag=nrjc-21&linkId=8f96ddb76196848bafdb124354e4cf77 ''Dot and cross diagrams, page 40, GCSE Chemistry, Pearson, Edexcel ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945725/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945725&linkCode=as2&tag=nrjc-21&linkId=694be7494de75af3349537d34e13f7f0 ''Dot and cross diagrams, pages 21, 23, GCSE Chemistry; The Revision Guide, CGP, Edexcel ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782948147/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948147&linkCode=as2&tag=nrjc-21&linkId=f63dcd8345f4e49c717b39a228a36c7c ''Dot and cross diagrams, pages 51-53, 56, 58-60, GCSE Chemistry, CGP, Edexcel ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945741/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945741&linkCode=as2&tag=nrjc-21&linkId=30da4f2178da182547b62a7329d13b57 ''Dot and cross diagrams, pages 84, 86, GCSE Combined Science; The Revision Guide, CGP, Edexcel ''] | ||
Revision as of 20:40, 17 November 2019
Contents
Key Stage 4
Meaning
A dot and cross diagram is a diagram used to show how electrons from the outer shells of atoms are shared or transferred in a chemical bond.
About Dot and Cross Diagrams
- Dot and cross diagrams can be used to represent covalent bonds and ionic bonds.
Examples
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| The two Oxygen atoms each share two of their electrons with one another. | The two Nitrogen atoms each share three of their electrons with one another. | Each Oxygen shares two of its electrons with the Carbon atom while the Carbon atom shares two electrons with each Oxygen atom. |
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| The Lithium atom donates an electron from its outer shell to the outer shell of the Fluorine atom. | The Magnesium atom donates two electrons from its outer shell to the outer shell of the Oxygen atom. | The Beryllium atom donates two electrons from its outer shell to the outer shells of each Fluorine atom. |
References
AQA
- Dot and cross diagram, pages 43, 60-1, 64-5, 133-5, GCSE Chemistry; Student Book, Collins, AQA
- Dot and cross diagrams, pages 114, 116, 117, GCSE Combined Science; The Revision Guide, CGP, AQA
- Dot and cross diagrams, pages 29, 31, 32, GCSE Chemistry; The Revision Guide, CGP, AQA
- Dot and cross diagrams, pages 39, 44-45, GCSE Chemistry; Third Edition, Oxford University Press, AQA
- Dot and cross diagrams, pages 72-76, 78, 79, 81-83, GCSE Combined Science Trilogy; Chemistry, CGP, AQA
- Dot and cross diagrams, pages 74-78, 80, 81, 83-85, GCSE Chemistry, CGP, AQA
Edexcel
- Dot and cross diagrams, page 184, GCSE Combined Science, Pearson Edexcel
- Dot and cross diagrams, page 40, GCSE Chemistry, Pearson, Edexcel
- Dot and cross diagrams, pages 21, 23, GCSE Chemistry; The Revision Guide, CGP, Edexcel
- Dot and cross diagrams, pages 51-53, 56, 58-60, GCSE Chemistry, CGP, Edexcel
- Dot and cross diagrams, pages 84, 86, GCSE Combined Science; The Revision Guide, CGP, Edexcel