mohd faisol mansor/chemistry form 4/chapter 1 CHAPTER 1 INTRODUCTION TO CHEMISTRY Chemistry Careers Is the study of the composition, structure, properties & interactions of matter. Doctor Chemical Engineer Geologist Biochemist Pharmacist Uses of Chemical Salt (NaCl) Vinegar (CH3COOH) Tiles/Cement (CaCO3) Chemical Industry Petroleum Food Chemical Substance Electronic Agriculture Contribution of Chemical Industries Financial Job opportunity Development of country Scientific Method : systematic method used to solve problems in Science. Making Observation Making Inference Identifying Problem Making Hypothesis Collecting Data Planning an Experiment Controlling Variables Identifying Variables Interpreting Data Making Conclusion Writing Report 1 P7 P6 P5 P4 P3 P2 p1 g1 G2 G3 G4 G5 G7 G8 G9 Actinium series halogens G6 Other non-metal Transition element G10 G11 G12 Lanthanum series Semi- metal Alkali earth metal Noble gases other metal Alkali metal G13 G14 G15 G16 G17 G18 mohd faisol mansor/chemistry form 4/chapter 1 PERIODIC TABLE OF THE ELEMENTS 2 mohd faisol mansor/chemistry form 4/chapter 1 Classify each of the following element into their group. Hydrogen, H Oxygen, O Zinc, Zn Chlorine, Cl Potassium, K Silver, Ag Sodium, Na Carbon, C Phosphorus, P Magnesium, Mg Sulphur, S Fluorine, F Aluminium, Al Lithium, Li Barium, Ba Copper, Cu Bromine, Br Lead, Pb Neon, Ne Argon, Ar Calcium, Ca Helium, He Iron, Fe Iodine, I Metal Atom Nonmetal Atom Zinc, Zn Hydrogen, H Potassium, K Oxygen, O Silver, Ag Chlorine, Cl Sodium, Na Carbon, C Magnesium, Mg Phosphorus, P Aluminium, Al Sulphur, S Lithium, Li Fluorine, F Barium, Ba Bromine, Br Copper, Cu Neon, Ne Lead, Pb Argon, Ar Calcium, Ca Helium, He Iron, Fe Iodine, I 3 mohd faisol mansor/chemistry form 4/chapter 1 Classify each of the following element/compound into their group. Sodium chloride, NaCl Hydrogen gas, H2 Chlorine gas, Cl2 Lead(II) oxide, PbO Aluminium oxide, Al2O3 Silver bromide, AgBr Carbon dioxide, CO2 Naphthalene, C10H8 Sugar, C6H12O6 Copper(II) iodide, CuI2 Oxygen gas, O2 Magnesium oxide, MgO Zinc chloride, ZnCl2 Methane, CH4 Ethanol, C2H6O Water, H2O Ionic Compound Molecule (Metal Atom + Nonmetal Atom) (Nonmetal Atom + Nonmetal Atom) Hydrogen gas, H2 Sodium chloride, NaCl Chlorine gas, Cl2 Lead(II) oxide, PbO Carbon dioxide, CO2 Aluminium oxide, Al2O3 Naphthalene, C10H8 Silver bromide, AgBr Sugar, C6H12O6 Copper(II) iodide, CuI2 Oxygen gas, O2 Magnesium oxide, MgO Methane, CH4 Zinc chloride, ZnCl2 Ethanol, C2H6O Water, H2O 4