Lec01 Matters At Atomic Level

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Lec01 Matters At Atomic Level

  1. 1. Matters at atomic level Tran Anh Tuan Materials Engineer MES Team
  2. 2. Lecture map atomic arrangement in matters atomic bonding atomic structure covalent ionic metallic Van der Waals Gases Crystals Amorphous Liquids
  3. 3. Atomic structure
  4. 4. Atom = proton + neutron + electron
  5. 5. Atom = proton + neutron + electron <ul><li>charge: + 1.6e-19 eV </li></ul><ul><li>heavy weight </li></ul><ul><li>charge: 0 ( no charge) </li></ul><ul><li>heavy weight (~proton) </li></ul><ul><li>charge: - 1.6e-19 eV </li></ul><ul><li>light weight </li></ul>no charge
  6. 6. Atom = proton + neutron + electron <ul><li>charge: + 1.6e-19 eV </li></ul><ul><li>heavy weight </li></ul><ul><li>charge: 0 ( no charge) </li></ul><ul><li>heavy weight (~proton) </li></ul><ul><li>charge: - 1.6e-19 eV </li></ul><ul><li>light weight </li></ul>nucleous core electronic shell ~ atom weight no charge
  7. 7. atomic arrangement in matters atomic bonding atomic structure covalent ionic metallic Van der Waals Gases Crystals Amorphous Liquids Lecture map
  8. 8. Atomic bonding
  9. 9. Covalent bonding
  10. 10. Covalent bonding Cl Cl
  11. 11. Covalent bonding Chemically Unstable Cl Cl Individual Cl atoms with 7 outer electrons
  12. 12. Covalent bonding Chemically Unstable bonding Cl Cl Cl Cl Individual Cl atoms with 7 outer electrons
  13. 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. 14. Ionic bonding Li F
  15. 15. Ionic bonding Li F Individual Li and F atoms with 1 and 7 outer electrons Chemically Unstable
  16. 16. Ionic bonding Li F Individual Li and F atoms with 1 and 7 outer electrons Chemically Unstable
  17. 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. 18. Metallic bonding metallic ion free electron Balanced Coulombic Stochastic Interaction. Metallic materials
  19. 19. Van der Waals bonding positively charged negatively charged Usually seen in polymeric materials + - + - + - + - Polarized molecular
  20. 20. atomic arrangement in matters atomic bonding atomic structure covalent ionic metallic Van der Waals Gases Crystals Amorphous Liquids Lecture map
  21. 21. Atomic arrangement
  22. 22. Gaseous matters 2D illustration of atomic arrangement in gaseous matters
  23. 23. Gaseous matters absolutely chaotic 2D illustration of atomic arrangement in gaseous matters
  24. 24. Gaseous matters absolutely chaotic 2D illustration of atomic arrangement in gaseous matters no near - ordered
  25. 25. Gaseous matters absolutely chaotic 2D illustration of atomic arrangement in gaseous matters no near - ordered no far - ordered
  26. 26. Solid crystals 2D illustration of atomic arrangement in solid crystals
  27. 27. Solid crystals absolutely ordered 2D illustration of atomic arrangement in solid crystals
  28. 28. Solid crystals absolutely ordered near - ordered 2D illustration of atomic arrangement in solid crystals
  29. 29. Solid crystals absolutely ordered near - ordered far - ordered 2D illustration of atomic arrangement in solid crystals
  30. 30. Liquid and amorphous 2D illustration of atomic arrangement in liquids and amorphous
  31. 31. Liquid and amorphous Partly, unstably ordered 2D illustration of atomic arrangement in liquids and amorphous
  32. 32. Liquid and amorphous Partly, unstably ordered near - ordered 2D illustration of atomic arrangement in liquids and amorphous
  33. 33. Liquid and amorphous Partly, unstably ordered near - ordered no far - ordered 2D illustration of atomic arrangement in liquids and amorphous
  34. 34. End of Lecture 01 Next: Lecture 02: Crystal lattice

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