The document provides an overview of basic chemistry concepts, including definitions of elements, compounds, and mixtures, along with examples and their uses. It categorizes elements as metals and non-metals, presents various compounds and their constituents, and explains the nature of mixtures. The document aims to motivate learning in chemistry with a positive closing message.

1. Introduction To Chemistry A Motivational Lesson

2. CHEMISTRY ELEMENT, COMPOUND AND MIXTURE

3. What is an element ? Element A chemical substance Simplest substance Cannot be decomposed to a simpler substance Built up from one type of atoms only

4. ELEMENT Metal Non-Metal (l) (s) (g) (l) (s) (g) – gas (l) – liquid (s) - solid

5. Examples of Metals ( Sodium ) Na Use : Sodium Lamp

6. Copper Cu Use : Electric Conductor

7. Calcium Ca Use : Calcium ions needed to form bones and teeth

8. Aluminium Al Use: Making of cooking pots and pans

9. Gold ; Aurum Au Use : Jewelry

10. Iron; Ferum Fe Use : Construction of buildings and bridges

11. Lead Pb Uses : Water pipes Pipes for wiring

12. Magnesium Mg Use : Crackers and Fireworks

13. Platinum Pt Use: Jewelry

14. Potassium K Use : Potassium salts - agricultural fertilizers

15. Silver Ag Use : Jewelry

16. Tin Sn Use : Making containers

17. Zinc Zn Uses : Dry cells; Roofing for houses

18. Mercury Hg Use : In Thermometers

19. Examples of Non-Metals Chlorine Cl Use : Killing germs in water supply

20. Argon Ar Use : Lighting Bulbs

21. Bromine Br Use : Photography

22. Boron B Use : Making Medicine in pharmacy

23. Helium He Use : Filling balloons

24. Carbon C Diamond & Graphite

25. Hydrogen H Use: Fuel

26. Iodine I Use : Antiseptic

27. Neon Ne Use : Neon Lights

28. Nitrogen N Use : Liquid Nitrogen –Refrigeration Coolant

29. Oxygen O Use : Gas for Breathing

30. Phosphorus P Use : Matches

31. Silicon Si Use : Computer CPU

32. Sulphur S Use : Manufacture of Sulphuric Acid

33. What is a Compound ? A Chemical Consists of 2 or more elements chemically combined Chemical Bond between the particles

34. Examples of Compounds Ammonium Chloride Use : Dry Batteries Constituents : H , N , Cl

35. Glucose Use : Carbohydrates Constituents : H , C , O

36. Sodium Chloride Use : Flavor for Food Constituents : Na , Cl

37. Calcium carbonate Use : Building material Constituents : Ca , C, O

38. Sulphuric acid Use : Car Accumulator Constituents : H , S , O

39. Urea Use : Nitrogeneous Fetilizer Constituents : C , H , O , N

40. Copper (II) sulphate Use: Fungicide Constituents : Cu , S , O , H

41. Potassium nitrate Use : Agricultural Fertilizers Constituents : K , N , O

42. Ethanoic acid Use : Vinegar Constituents : C , H , O

43. Trichloromethane (Chloroform) Use : Anaesthetic Cost : C , H , Cl

44. What is a Mixture ? Substance consisting of 2 or more substances physically combined together Components : Elements or/and compounds Components can be separated by physical means

45. Examples of Mixtures Air– Oxygen, Nitrogen, Carbon dioxide, water vapor etc

46. Soil Constituents : Humus, sand, air, water, minerals etc.

47. Milk Components : Lactose, water, proteins, vitamins, minerals etc

48. The End May you learn Chemistry happily and effectively ! With Metta, Bro. Oh Teik Bin