The document discusses atomic structure and bonding. It describes the basic components of an atom, including protons, neutrons, and electrons. It also discusses different types of atomic bonding structures: covalent, ionic, metallic, and Van der Waals. Additionally, it examines atomic arrangements in different states of matter, such as gases, crystals, liquids, and amorphous solids. Gases have no order, crystals have long and short range order, while liquids and amorphous solids have partial, unstable short range order but no long range order.

1. Matters at atomic level Tran Anh Tuan Materials Engineer MES Team

2. Lecture map atomic arrangement in matters atomic bonding atomic structure covalent ionic metallic Van der Waals Gases Crystals Amorphous Liquids

3. Atomic structure

4. Atom = proton + neutron + electron

7. Lecture map atomic arrangement in matters atomic bonding atomic structure covalent ionic metallic Van der Waals Gases Crystals Amorphous Liquids

8. Atomic bonding

9. Covalent bonding

10. Covalent bonding Cl Cl

11. Covalent bonding Chemically Unstable Cl Cl Individual Cl atoms with 7 outer electrons

12. Covalent bonding Chemically Unstable bonding Cl Cl Cl Cl Individual Cl atoms with 7 outer electrons

13. Covalent bonding Chemically Unstable Chemically Stable bonding Cl Cl Cl Cl Individual Cl atoms with 7 outer electrons One Cl2 molecular with 8 outer electrons

14. Ionic bonding Li F

15. Ionic bonding Li F Individual Li and F atoms with 1 and 7 outer electrons Chemically Unstable

16. Ionic bonding Li F Individual Li and F atoms with 1 and 7 outer electrons Chemically Unstable

17. Ionic bonding Li F bonding Li F Individual Li and F atoms with 1 and 7 outer electrons One LiF molecular with 8 outer electrons Chemically Unstable Chemically Stable

18. Metallic bonding metallic ion free electron Balanced Coulombic Stochastic Interaction. Metallic materials

19. Van der Waals bonding positively charged negatively charged Usually seen in polymeric materials + - + - + - + - Polarized molecular

20. Lecture map atomic arrangement in matters atomic bonding atomic structure covalent ionic metallic Van der Waals Gases Crystals Amorphous Liquids

21. Atomic arrangement

22. Gaseous matters 2D illustration of atomic arrangement in gaseous matters

23. Gaseous matters absolutely chaotic 2D illustration of atomic arrangement in gaseous matters

24. Gaseous matters absolutely chaotic 2D illustration of atomic arrangement in gaseous matters no short-range order

25. Gaseous matters absolutely chaotic 2D illustration of atomic arrangement in gaseous matters no long-range order no short-range order

26. Solid crystals 2D illustration of atomic arrangement in solid crystals

27. Solid crystals absolutely ordered 2D illustration of atomic arrangement in solid crystals

28. Solid crystals absolutely ordered 2D illustration of atomic arrangement in solid crystals short-range order

29. Solid crystals absolutely ordered 2D illustration of atomic arrangement in solid crystals long-range order short-range order

30. Liquid and amorphous 2D illustration of atomic arrangement in liquids and amorphous

31. Liquid and amorphous Partly, unstably ordered 2D illustration of atomic arrangement in liquids and amorphous

32. Liquid and amorphous Partly, unstably ordered 2D illustration of atomic arrangement in liquids and amorphous short-range order

33. Liquid and amorphous Partly, unstably ordered near - ordered no long-range order 2D illustration of atomic arrangement in liquids and amorphous

34. End of Lecture 01 Next: Lecture 02: Crystal lattice