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bonding and structure, intermolecular forces

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how many H bonds can oxygen form and why?

2 because it has 2 lone pairs

which is the strongest type of intermolecular force?

hydrogen bonding

why does ice have a lower density than liquid water ?

ice forms an open lattice structure due to hydrogen bonds (lots of air gaps as H bonds are longer)

giant covalent molecules have BP/MPs that are high or low?

very high

graphite is insoluble because ...

the strong covalent bonds are too strong to break by water molecules

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OCR
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Chemistry A
Course
AS Unit F321 - Atoms, Bonds and Groups

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electronic structure & bonding and structure summary

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detailed notes on content in module 2 including: electronic astructure and configuration, bonding and structure, types of intermolecular forces and shapes of covalent molecules diagrams to aid learning

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OCR A level chemistry paper 1 revision notes

R 1.280,39 R 174,43 17 items

1. Flashcards - Enthalpy module 3
2. Flashcards - Orders of reaction & half-life
3. Flashcards - Electrochemical cells 1
4. Flashcards - Electron structure a level chemistry
5. Flashcards - Formulaes of complex ions and definitions of atomic mass
6. Flashcards - Ionic and covalent + coordinate bonds
7. Flashcards - Shapes of covalent bonds and electronegativity
8. Flashcards - Bonding and structure, intermolecular forces
9. Flashcards - Periodicity, group 2-7 and tests for ions module 3
10. Summary - Electronic structure & bonding and structure summary
11. Summary - Enthalpy module 3 summary
12. Summary - Eletrochemical cells summary
13. Summary - Pag 12 iron tablets ocr a level chemistry research
14. Summary - Rates of reactions and equilibria chemistry notes
15. Summary - Acids, bases,ph, titration curves chemistry notes
16. Summary - Lattice enthalpy and entropy, born haber cycles chemistry notes
17. Summary - Transition elements and redox chemistry notes
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OCR A level chemistry summary of all topics

R 1.617,61 R 716,58 19 items

1. Flashcards - Enthalpy module 3
2. Flashcards - Orders of reaction & half-life
3. Flashcards - Electrochemical cells 1
4. Flashcards - Electron structure a level chemistry
5. Flashcards - Formulaes of complex ions and definitions of atomic mass
6. Flashcards - Ionic and covalent + coordinate bonds
7. Flashcards - Shapes of covalent bonds and electronegativity
8. Flashcards - Bonding and structure, intermolecular forces
9. Flashcards - Periodicity, group 2-7 and tests for ions module 3
10. Summary - Electronic structure & bonding and structure summary
11. Summary - Module 3 periodicity, group 2 and halogens summary
12. Summary - Enthalpy module 3 summary
13. Summary - Eletrochemical cells summary
14. Summary - Rates of reactions and equilibria chemistry notes
15. Summary - Acids, bases,ph, titration curves chemistry notes
16. Summary - Lattice enthalpy and entropy, born haber cycles chemistry notes
17. Summary - Transition elements and redox chemistry notes
18. Summary - Ocr a level chemistry module 4 summary
19. Summary - Organic chemistry module 6 full summary
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OCR A level biology and chemistry notes on all topics

R 3.700,75 R 1.526,55 45 items

1. Flashcards - Orders of reaction & half-life
2. Flashcards - Electron structure a level chemistry
3. Flashcards - Formulaes of complex ions and definitions of atomic mass
4. Flashcards - Ionic and covalent + coordinate bonds
5. Flashcards - Shapes of covalent bonds and electronegativity
6. Flashcards - Bonding and structure, intermolecular forces
7. Flashcards - Periodicity, group 2-7 and tests for ions module 3
8. Summary - Animal responses summary
9. Summary - Excretion topic summary
10. Summary - Cell membranes summary
11. Summary - Neuronal communication summary
12. Summary - Electronic structure & bonding and structure summary
13. Summary - Module 3 periodicity, group 2 and halogens summary
14. Summary - Module 5 rates of reaction and equilibria summary
15. Summary - Enthalpy module 3 summary
16. Summary - Hormonal communication summary
17. Summary - Module 2 cells & biological molecules summary (cgp)
18. Summary - Photosynthesis summary
19. Summary - Plant responses and hormones summary
20. Summary - Respiration topic summary with diagrams
21. Summary - Thermoregulation topic summary
22. Summary - Eletrochemical cells summary
23. Summary - Ecosystems a level biology notes
24. Summary - A level biology biodiversity module 4 summary
25. Summary - Biology patterns of inheritance summary
26. Summary - A level biology animal responses summary
27. Summary - A level biology enzymes summary module 2
28. Summary - Gas exchanges module 3 biology notes
29. Summary - Nucleic acids biology summary
30. Summary - Ocr a level biology proteins summary module 2
31. Summary - A level biology animal transport summary
32. Summary - a level biology plant transport summary
33. Summary - A level biology evolution summary module 4
34. Summary - A level biology communicable diseases summary
35. Summary - A level biology cellular control summary module 6
36. Summary - A level biology biotechnology and cloning summary
37. Summary - Populations and sustainability biology kerboodle notes
38. Summary - Manipulating genomes summary biology
39. Summary - Rates of reactions and equilibria chemistry notes
40. Summary - Acids, bases,ph, titration curves chemistry notes
41. Summary - Lattice enthalpy and entropy, born haber cycles chemistry notes
42. Summary - Transition elements and redox chemistry notes
43. Summary - Ocr a level chemistry module 4 summary
44. Summary - Organic chemistry module 6 full summary
45. Summary - Organic chemistry chromatography notes module 6
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