HWA CHONG INSTITUTION SCHEME OF WORK 2010 Subject: Textbook: Week 1-2 CHEMISTRY / IP CHEMISTRY INSIGHTS “O” LEVEL (Dr Rex M Heyworth, JGR Briggs, 2nd Edition) 1.1 a. b. c. d. Topic Introducing Chemists and Chemistry What is Chemistry? What is scientific enquiry/method? Chemistry as a Career : creative science, investigative science, problem-solving science, wealth-creating science Work & Lives of Chemists Level: Semester/Term: Resources Links: 1. Introduction to Chemistry: http://dept.physics.upenn.edu/courses/gladney/mathphys/java/sect1/subsection1_1_3.html 2. Welcome to creative chemistry : http://www.creative-chemistry.org.uk/ 3. Discovery of Kevlar : http://www.ideafinder.com/history/inventors/kwolek.htm Assessment Article : Discovery of Kevlar by Stephanie L Kwolek 1.2 a. b. Chemical Formula and Equations (Revision) Chemical Symbols and Names Chemical Formula and Equations (with state symbols) Links: 1. Atoms, Symbols and Equations : http://ourworld.compuserve.com/homepages/RayLec/atoms.htm 2. History of Chemical Nomenclature : http://www.dalkescientific.com/writings/diary/archive/2003/10/14/molecular_formula.html 3. Chemical Formula Tutor v3 : http://chemware.co.nz/chemftut.htm 1.3 a. b. Experimental Techniques (Chpt 2, on-line) Experimental Design Methods of Purification and Analysis HCI on-line lesson package URL: SOW CH 10 Y3IP .doc Sec 3 I/1 1 WS 1 WS ACE http://vle.hci.edu.sg/chemistry/beijing/expt%20techniques/index.html Lab demonstration – Different separating techniques such as centrifuging, fractional distillation and liquid-liquid extraction ACE : Problem solving activity – separating a mixture of 3 substances Page 1 HWA CHONG INSTITUTION SCHEME OF WORK 2010 3-5 2 a. b. Atomic Structure Atomic Structure and Periodic Table i. Discovery of the Atom ii. Proton Number and Nucleon Number iii. Isotopes Quantum Mechanics i. Atomic spectra as a tool in understanding the electronic energy levels ii. Electrons and electronic energy levels – quantised energy levels in electron arrangement in terms of the s,p,d and f orbitals and their shapes (not including d and f orbitals) iii. Electronic Configuration of Atoms ( atomic number 20) History of the Atom 2 WS Leucippus and Democritus: http://www.thebigview.com/greeks/democritus.html John Dalton: http://scienceworld.wolfram.com/biography/Dalton.html JJ Thomson: http://library.thinkquest.org/19662/low/eng/exp-thomson.html Rutherford: http://library.thinkquest.org/19662/low/eng/biog-rutherford.html James Chadwick: http://nobelprize.org/nobel_prizes/physics/laureates/1935/chadwick-bio.html Others 1. Modern Uses of radioactive isotopes http://www.chem.duke.edu/~jds/cruise_chem/nuclear/dating.html 2. Animation on Electronic Configuration (require shockwave plugin) http://intro.chem.okstate.edu/WorkshopFolder/Electronconfnew.html 3. Diamond and Graphite : Covalent Network http://www.avogadro.co.uk/structure/chemstruc/network/g-molecular.htm 4. Metallic Bonding http://www.chemguide.co.uk/atoms/bonding/metallic.html Chemistry Movies 1. Gold Foil Experiment http://chemmovies.unl.edu/ChemAnime/RUTHERFD/RUTHERFD.html 2. Cathode Ray Tube Experiment http://chemmovies.unl.edu/ChemAnime/CATHRAYD/CATHRAYD.html 3. Bohr’s model http://chemmovies.unl.edu/ChemAnime/BOHRD/BOHRD.html 4. Bohr’s vs Quantum Mechanical Model of the atom http://chemmovies.unl.edu/ChemAnime/BOHRQD/BOHRQD.html Java Applets : 1. Periodic Trends: http://jcrystal.com/steffenweber/JAVA/jpt/jpt.html 2. Electronic Configurations: http://lectureonline.cl.msu.edu/~mmp/period/electron.htm SOW CH 10 Y3IP .doc Page 2 HWA CHONG INSTITUTION SCHEME OF WORK 2010 6-10 3 a. b. c. d. e. f. Chemical Bonding i. Why Atoms Combine ii. How Atoms Combine - electrons sharing vs electron transfer i. Formation of Ions - to obtain electronic configuration of Inert Gas ii. Formulae of Ionic Sompounds iii. Dot-and-cross diagrams in representing ionic compounds iv. Structure and Properties of Ionic compounds i. Structures and representation of metals ii. Metallic bonding iii. Characteristic properties of metals i. How a covalent bond is formed and formation of simple molecules ii. Dot-and-cross diagrams in representing molecules iii. Sigma and pi bonds iv. Bond length, bond strength and polarity Intermolecular forces i. describe hydrogen bonding with special reference to water and ammonia and its effect on the melting/ boiling points ii. van der waals forces Effect of bonding on properties i. Structure and Properties of simple covalent molecules ii. Deduce properties of substances based on its structure and bonding Resources : 1. Online Notes on Atomic Structure and Bonding http://www.chemguide.co.uk/atommenu.html#top 2. Hydrogen Bond: http://www.chemguide.co.uk/atoms/bonding/hbond.html 2 WS 1 test* ACE 1) Thematics studies on VSEPR/Shapes of Molecules 2) Explore Other Types of Intermolecular Forces e.g. Temporary and Permanent Dipoles Week 9 : Sabbatical week *Term 1 test should include separation techniques, atomic structure and part of chemical bonding. SOW CH 10 Y3IP .doc Page 3 HWA CHONG INSTITUTION SCHEME OF WORK 2010 Subject: Textbook: CHEMISTRY / IP CHEMISTRY INSIGHTS “O” LEVEL (Dr Rex M Heyworth, JGR Briggs, 2nd Edition) Week 1-2 g. 3-8 4. Acids, Bases and Salts (Chpt 15,16, 18) a. b. c. d. e. f. Acids and Bases : Properties and Reactions (include discussion of reactivity series) Strength of Acids and Bases Types of Oxides, Indicators & pH scale Preparation of Soluble and Insoluble Salts Writing Ionic Equations Identification of Ions and Gases 5. a. b. c. d. e. Periodic Table (Chpt 11) Trends of The Periodic Table Group I elements Group VII elements The Noble Gases Transition Elements 9-10 Topic Macromolecules i. comparison of structures and properties of silicon, silicon dioxide (sand), diamond and graphite Level: Semester/Term: Resources Sec 3 I/2 Assessment 1 WS Animations : 1. http://www.chem.iastate.edu/group/Greenbowe/sections/projectfolder/flashfiles/acidbasepH/ph_meter.html 2. http://www.chem.iastate.edu/group/Greenbowe/sections/projectfolder/flashfiles/stoichiometry/acid_base.html 3 WS Links: 1. Acids and Bases : http://www.visionlearning.com/library/module_viewer.php?mid=58&l=&c3= 2 pH: http://www.purchon.com/chemistry/ph.htm 3. Virtual Chemistry Lab – The pH Factor : http://www.miamisci.org/ph/ 1 test* ACE : Applications of pH e.g. chlorination in swimming pools, food preservation, cosmetic applications, pH in human digestive track Links: 1. Java Applet : http://jcrystal.com/steffenweber/JAVA/jpt/jpt.html 2. Web Elements Periodic Table : http://www.webelements.com/ 3. Periodic Table : http://www.cubicsci.com/chem/hs/index%20search/pt.htm ACE SPA practice 1 WS Week 9: Education conference for teachers, IT lessons for students *Term 2 test should include intermolecular forces and acids, bases and salts (& QA) SOW CH 10 Y3IP .doc Page 4 HWA CHONG INSTITUTION SCHEME OF WORK 2010 Subject: Textbook: Week 1-7 8-10 CHEMISTRY / IP CHEMISTRY INSIGHTS “O” LEVEL (Dr Rex M Heyworth, JGR Briggs, 2nd Edition) 6. a. b. c. d. e. f. g. h. i. j. k. l. 7. Topic Formulae, Stoichiometry and Mole Concept (Chpt 8,9,10) Relative Atomic Mass of atoms Relative Molecular Mass of elements and compounds Percentage by mass of element in a compound Calculation of Empirical and Molecular Formula Mole and Avogadro’s constant Molar Gas Volume Limiting reagents Stoichiometric reacting masses and volumes of gases and solutions Finding Equationsn Percentage Yield (experimental vs theoretical) Percentage Purity Concentration of solutions Atmosphere and Environment (Chpt 23) Level: Semester/Term: Resources Links: 1. Stoichiometry : http://www.cubicsci.com/chem/hs/index%20search/stoichiometry.htm e. f. g. h. Composition of Air Carbon Cycle Greenhouse Effect Common Pollutants of Air – their sources and effect on health and environment Photochemical Smog Ozone Layer & its Depletion Acid Rain Reducing Air Pollution – using catalytic converter in cars and calcium carbonate in flue gas desulphurisation Assessment 2-4 WS Animations Finding empricial formula of a compound http://www.chem.iastate.edu/group/Greenbowe/sections/projectfolder/flashfiles/stoichiometry/empirical.html SPA Skill Set 1 and 2 1 test* ACE : Thematic Study on Air Self Study (given before June or September Holidays) a. b. c. d. Sec 3 II/3 ACE Links: 1. Ozone Layer http://www.ec.gc.ca/ozone/DOCS/KIDZONE/EN/ozoneupthere.cfm 2. How Catalytic Converter Works http://auto.howstuffworks.com/catalytic-converter.htm# 1 WS Week 9: Sabbatical week *Term 3 tests should include chemical calculations and Periodic Table SOW CH 10 Y3IP .doc Page 5 HWA CHONG INSTITUTION SCHEME OF WORK 2010 Subject: Textbook: Week 1-4 CHEMISTRY / IP CHEMISTRY INSIGHTS “O” LEVEL (Dr Rex M Heyworth, JGR Briggs, 2nd Edition) Topic Revision 5 SOW CH 10 Y3IP .doc Resources Past year HCI End of Year Papers Level: Semester/Term: Sec 3 II/4 Assessment END OF YEAR EXAMINATIONS Page 6