Year 9 Chemistry Final Revision and Reference Guide

Year 9 Chemistry Syllabus and Specification Topics

• States of Matter: Covered under specification codes $1.1-1.7C$.

• Elements, Compounds, and Mixtures: Covered under specification codes $1.8-1.13$.

• Atomic Structure: Covered under specification codes $1.14-1.17$.

• The Periodic Table: Covered under specification codes $1.18-1.24$.

• Chemical Formulae, Equations, and Calculations: Covered under specification codes $1.25-1.26$.

• Ionic Bonding: Covered under specification codes $1.37-1.39$.

• Group 1 (Alkali Metals): Covered under specification codes $2.1-2.4C$.

• Group 7 (Halogens): Covered under specification codes $2.5-2.8C$.

Revision Resources and Support Materials

• Official Specification: Refer to the core specification document for full topic details.

• Internal Feedback: Utilize feedback from past tests and assessed homework located in the self-review section on OneNote.

• Class Resources: Review chemistry classwork and supplemental resources available on the Chemistry OneNote.

• Course Textbook: Relevant material is located on pages $3-81$.

• Student-Created Materials: Use personalized revision notes, including flashcards and mindmaps created for previous tests.

• Recommended Online Platforms:     * Edexcel IGCSE Chemistry Past Papers: Available at https://qualifications.pearson.com/en/support/support-topics/exams/past-papers.html.     * Physics and Maths Tutor: Provides other past papers and topic-specific questions; note that many are older and require careful checking against the current specification (https://www.physicsandmathstutor.com/).     * Chemrevise: Offers notes and questions based on the AQA specification that remain useful for IGCSE (https://chemrevise.org/revision-guides/).     * MaChemGuy (YouTube): Educational video resources (https://www.youtube.com/user/MaChemGuy).     * BBC Bitesize: General revision for exam specifications (https://www.bbc.co.uk/bitesize/examspecs/zy984j6).

• Faculty Support: Students are encouraged to consult their class teacher for any specific questions.

Table of Ions: Names and Formulae

• Positive Ions (Cations):     * Lithium: $Li^+$     * Sodium: $Na^+$     * Potassium: $K^+$     * Magnesium: $Mg^{2+}$     * Calcium: $Ca^{2+}$     * Iron(II): $Fe^{2+}$     * Copper(II): $Cu^{2+}$     * Zinc: $Zn^{2+}$     * Aluminium: $A1^{3+}$     * Iron(III): $Fe^{3+}$     * Ammonium: $NH_4^+$     * Silver: $Ag^+$

• Negative Ions (Anions):     * Fluoride: $F^-$     * Chloride: $C1^-$     * Bromide: $Br^-$     * Iodide: (Formula not provided)     * Oxide: (Formula not provided)     * Hydroxide: (Formula not provided)     * Sulphide: (Formula not provided)     * Nitride: $N^{3-}$     * Sulphate: $SO_4^2$     * Carbonate: $CO_2^{2-}$     * Nitrate: $NO_3$     * Hydrogen Carbonate: $HCO_3$

Common Substances for IGCSE

• Essential Reference Material: Mastery of these formulae is required to write correct formulas, balance chemical equations, and perform calculations accurately.

• Chemical Compounds and Molecules:     * Water: $H_2O$     * Hydrogen peroxide: $H_2O_2$     * Carbon monoxide: $CO$     * Carbon dioxide: $CO_2$     * Sulphur dioxide: $SO_2$     * Sulphur trioxide: $SO_3$     * Nitrogen dioxide: $NO_2$     * Ammonia: $NH_3$     * Methane: $CH_4$     * Glucose: $C_6H_{12}O_6$

• Common Acids:     * Hydrochloric acid: $HCl$     * Carbonic acid: $H_2CO_3$     * Nitric acid: $HNO_3$     * Sulphuric acid: $H_2SO_4$