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SCIENCE (CHEMISTRY) Elements and arrangement of the Periodic Table (recap) o Atomic Structure • Sub-atomic particles and charges (protons, electrons, neutrons) • Atomic number, mass number, formation of ions • Electron configuration (shell diagram and 2, 8, 8, 2) • Isotopes • Calculate neutron number from atomic mass o Periodic Table • Arrangement of elements in the table (increasing atomic number and o shell number) • Names and symbols of common elements • Groups and periods (major group names) • Identify valence electron (and ion formed) by position on periodic table • Ion naming convention (metals & non-metals [-ide]) Ionic and covalent bonding o Compound vs molecules o Ionic (metal + non-metal) vs covalent bonds (non-metal + non-metal) • Electron transfer vs sharing • Element interaction (metal and non-metal) • Strength of bond o Prac: o Predicting chemical formulae of ionic and covalent compounds using a o periodic table and table of common ions o Naming conventions for ionic and covalent compounds Types of Reactions (Acid + Base, Acid + Metal Carbonate, Precipitation reactions) o Chemical Reactions • Breaking and forming of bonds • Identify reactants and products in a reaction o Writing word equations to represent the following reactions o Writing balanced chemical equations to represent simple chemical reactions o Predicting the products of the following reaction types: • Acid + Base => Salt + H2O (neutralisation) • Acid + Metal Carbonate => Salt + H2O + CO2 • Precipitation Reactions o Define - solute, solvent, solubility, insoluble, aqueous o Use the solubility table to predict if a precipitate is formed when two o solutions are combined o Identify reactants and products in precipitation reactions
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