Introduction To Chemistry

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A Power Point Presentation on Introductory Chemistry. To motivate new students of Chemistry. To help students appreciate the importance of Chemicals in everyday life. Done by Bro. Oh Teik Bin, Lower Perak Buddhist Association, Teluk Intan, Malaysia.

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Introduction To Chemistry

  1. 1. Introduction To Chemistry A Motivational Lesson
  2. 2. CHEMISTRY <ul><li>ELEMENT, </li></ul><ul><li>COMPOUND </li></ul><ul><li>AND </li></ul><ul><li>MIXTURE </li></ul>
  3. 3. What is an element ? <ul><li>Element </li></ul><ul><li>A chemical substance </li></ul><ul><li>Simplest substance </li></ul><ul><li>Cannot be decomposed to a simpler substance </li></ul><ul><li>Built up from one type of atoms only </li></ul>
  4. 4. ELEMENT Metal Non-Metal (l) (s) (g) (l) (s) (g) – gas (l) – liquid (s) - solid
  5. 5. Examples of Metals <ul><li>( Sodium ) </li></ul><ul><li>Na </li></ul><ul><li>Use : </li></ul><ul><li>Sodium Lamp </li></ul>
  6. 6. <ul><li>Copper Cu </li></ul><ul><li>Use : Electric Conductor </li></ul>
  7. 7. <ul><li>Calcium Ca </li></ul><ul><li>Use : Calcium ions needed to form bones and teeth </li></ul>
  8. 8. <ul><li>Aluminium Al </li></ul><ul><li>Use: Making of cooking pots and pans </li></ul>
  9. 9. <ul><li>Gold ; Aurum Au </li></ul><ul><li>Use : Jewelry </li></ul>
  10. 10. <ul><li>Iron; Ferum Fe </li></ul><ul><li>Use : Construction of buildings </li></ul><ul><li>and bridges </li></ul>
  11. 11. <ul><li>Lead Pb </li></ul><ul><li>Uses : Water pipes </li></ul><ul><li>Pipes for wiring </li></ul>
  12. 12. <ul><li>Magnesium Mg </li></ul><ul><li>Use : Crackers and Fireworks </li></ul>
  13. 13. <ul><li>Platinum Pt </li></ul><ul><li>Use: Jewelry </li></ul>
  14. 14. <ul><li>Potassium K </li></ul><ul><li>Use : Potassium salts </li></ul><ul><li>- agricultural fertilizers </li></ul>
  15. 15. <ul><li>Silver Ag </li></ul><ul><li>Use : Jewelry </li></ul>
  16. 16. <ul><li>Tin Sn </li></ul><ul><li>Use : Making containers </li></ul>
  17. 17. <ul><li>Zinc Zn </li></ul><ul><li>Uses : Dry cells; </li></ul><ul><li>Roofing for houses </li></ul>
  18. 18. <ul><li>Mercury Hg </li></ul><ul><li>Use : In Thermometers </li></ul>
  19. 19. Examples of Non-Metals <ul><li>Chlorine Cl </li></ul><ul><li>Use : Killing germs in water supply </li></ul>
  20. 20. <ul><li>Argon Ar </li></ul><ul><li>Use : Lighting Bulbs </li></ul>
  21. 21. <ul><li>Bromine Br </li></ul><ul><li>Use : Photography </li></ul>
  22. 22. <ul><li>Boron B </li></ul><ul><li>Use : Making </li></ul><ul><li>Medicine in pharmacy </li></ul>
  23. 23. <ul><li>Helium He </li></ul><ul><li>Use : Filling balloons </li></ul>
  24. 24. Carbon C Diamond & Graphite
  25. 25. <ul><li>Hydrogen H </li></ul><ul><li>Use: Fuel </li></ul>
  26. 26. Iodine I Use : Antiseptic
  27. 27. <ul><li>Neon Ne </li></ul><ul><li>Use : Neon Lights </li></ul>
  28. 28. <ul><li>Nitrogen N </li></ul><ul><li>Use : Liquid Nitrogen –Refrigeration Coolant </li></ul>
  29. 29. Oxygen O Use : Gas for Breathing
  30. 30. Phosphorus P Use : Matches
  31. 31. Silicon Si Use : Computer CPU
  32. 32. Sulphur S Use : Manufacture of Sulphuric Acid
  33. 33. What is a Compound ? <ul><li>A Chemical </li></ul><ul><li>Consists of 2 or more elements chemically combined </li></ul><ul><li>Chemical Bond between the particles </li></ul>
  34. 34. Examples of Compounds <ul><li>Ammonium Chloride </li></ul><ul><li>Use : Dry Batteries </li></ul><ul><li>Constituents : H , N , Cl </li></ul>
  35. 35. Glucose <ul><li>Use : Carbohydrates </li></ul><ul><li>Constituents : H , C , O </li></ul>
  36. 36. Sodium Chloride <ul><li>Use : Flavor for Food </li></ul><ul><li>Constituents : Na , Cl </li></ul>
  37. 37. Calcium carbonate <ul><li>Use : Building material </li></ul><ul><li>Constituents : Ca , C, O </li></ul>
  38. 38. Sulphuric acid <ul><li>Use : Car Accumulator </li></ul><ul><li>Constituents : H , S , O </li></ul>
  39. 39. Urea <ul><li>Use : Nitrogeneous Fetilizer </li></ul><ul><li>Constituents : C , H , O , N </li></ul>
  40. 40. Copper (II) sulphate <ul><li>Use: Fungicide </li></ul><ul><li>Constituents : Cu , S , O , H </li></ul>
  41. 41. Potassium nitrate <ul><li>Use : Agricultural Fertilizers </li></ul><ul><li>Constituents : K , N , O </li></ul>
  42. 42. Ethanoic acid Use : Vinegar Constituents : C , H , O
  43. 43. Trichloromethane (Chloroform) Use : Anaesthetic Cost : C , H , Cl
  44. 44. What is a Mixture ? <ul><li>Substance consisting of 2 or more substances physically combined together </li></ul><ul><li>Components : Elements or/and compounds </li></ul><ul><li>Components can be separated by physical means </li></ul>
  45. 45. Examples of Mixtures Air– Oxygen, Nitrogen, Carbon dioxide, water vapor etc
  46. 46. Soil <ul><li>Constituents : Humus, sand, </li></ul><ul><li>air, water, minerals etc. </li></ul>
  47. 47. Milk Components : Lactose, water, proteins, vitamins, minerals etc
  48. 48. The End <ul><li>May you learn Chemistry </li></ul><ul><li>happily and effectively ! With Metta, Bro. Oh Teik Bin </li></ul>

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