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Introduction To Chemistry
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Desc: 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.
Slideshow Transcript
- Slide 1: Introduction To Chemistry A Motivational Lesson
- Slide 2: CHEMISTRY ELEMENT, COMPOUND AND MIXTURE
- Slide 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
- Slide 4: ELEMENT Metal Non-Metal (l) (s) (g) (l) (s) (g) – gas (l) – liquid (s) - solid
- Slide 5: Examples of Metals ( Sodium ) Na Use : Sodium Lamp
- Slide 6: Copper Cu Use : Electric Conductor
- Slide 7: Calcium Ca Use : Calcium ions needed to form bones and teeth
- Slide 8: Aluminium Al Use: Making of cooking pots and pans
- Slide 9: Gold ; Aurum Au Use : Jewelry
- Slide 10: Iron; Ferum Fe Use : Construction of buildings and bridges
- Slide 11: Lead Pb Uses : Water pipes Pipes for wiring
- Slide 12: Magnesium Mg Use : Crackers and Fireworks
- Slide 13: Platinum Pt Use: Jewelry
- Slide 14: Potassium K Use : Potassium salts - agricultural fertilizers
- Slide 15: Silver Ag Use : Jewelry
- Slide 16: Tin Sn Use : Making containers
- Slide 17: Zinc Zn Uses : Dry cells; Roofing for houses
- Slide 18: Mercury Hg Use : In Thermometers
- Slide 19: Examples of Non-Metals Chlorine Cl Use : Killing germs in water supply
- Slide 20: Argon Ar Use : Lighting Bulbs
- Slide 21: Bromine Br Use : Photography
- Slide 22: Boron B Use : Making Medicine in pharmacy
- Slide 23: Helium He Use : Filling balloons
- Slide 24: Carbon C Diamond & Graphite
- Slide 25: Hydrogen H Use: Fuel
- Slide 26: Iodine I Use : Antiseptic
- Slide 27: Neon Ne Use : Neon Lights
- Slide 28: Nitrogen N Use : Liquid Nitrogen – Refrigeration Coolant
- Slide 29: Oxygen O Use : Gas for Breathing
- Slide 30: Phosphorus P Use : Matches
- Slide 31: Silicon Si Use : Computer CPU
- Slide 32: Sulphur S Use : Manufacture of Sulphuric Acid
- Slide 33: What is a Compound ? A Chemical Consists of 2 or more elements chemically combined Chemical Bond between the particles
- Slide 34: Examples of Compounds Ammonium Chloride Use : Dry Batteries Constituents : H , N , Cl
- Slide 35: Glucose Use : Carbohydrates Constituents : H , C , O
- Slide 36: Sodium Chloride Use : Flavor for Food Constituents : Na , Cl
- Slide 37: Calcium carbonate Use : Building material Constituents : Ca , C, O
- Slide 38: Sulphuric acid Use : Car Accumulator Constituents : H , S , O
- Slide 39: Urea Use : Nitrogeneous Fetilizer Constituents : C , H , O , N
- Slide 40: Copper (II) sulphate Use: Fungicide Constituents : Cu , S , O , H
- Slide 41: Potassium nitrate Use : Agricultural Fertilizers Constituents : K , N , O
- Slide 42: Ethanoic acid Use : Vinegar Constituents : C , H , O
- Slide 43: Trichloromethane (Chloroform) Use : Anaesthetic Cost : C , H , Cl
- Slide 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
- Slide 45: Examples of Mixtures Air– Oxygen, Nitrogen, Carbon dioxide, water vapor etc
- Slide 46: Soil Constituents : Humus, sand, air, water, minerals etc.
- Slide 47: Milk Components : Lactose, water, proteins, vitamins, minerals etc
- Slide 48: The End May you learn Chemistry happily and effectively ! With Metta, Bro. Oh Teik Bin
