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Chapter 10: Metals
Secondary 3 Chapter 10: Metals Chemical properties of metals The metal reactivity series below shows how metals are arranged according to its reaction with cold water, steam and dilute hydrochloric acid. Reactivity decreases Elements Reactions
Chapter 05: Formulas and Equations
Formulas and Equations Ionic compound is formed between positive and negative ions. Students need to be able to name an ionic compound from the formula given, and also, determine the correct formula when given the name. Naming of ionic compounds = [Cation] [Anion] Cation Anion
Chapter 02: Atomic Structure
Secondary Chemistry Revision: Atomic Structure Atomic Structure is the most fundamental topic to master if you want to master Chemistry! Let's dive straight in! The table below shows the properties and location where the subatomic particles are found. It is important to
Chapter 12: Redox Reactions
Chapter 12: Redox Reactions What is Redox? Redox is a combination of two words: Reduction and Oxidation. There are 4 definitions that students must know. Definition Reduction Oxidation Oxygen Loss Gain Hydrogen Gain Loss Electron
Chapter 14: Carbonyl Compounds
Chapter 14 Carbonyl Compounds As the carbonyl group is polar, both aldehydes and ketones are polar simple covalent molecules. However, they are unable to form intermolecular hydrogen bonds as they do not have a H atom bonded to a F/O/N atom. The table below highlights some of the important
Chapter 21: Transition Elements
Chapter 21: Transition Elements Chapter 21Transition Elements This chapter is intertwined with several other topics that we have learnt previously, such as Atomic Structure, Chemical Bonding, Redox, Electrochemistry, Reaction Kinetics, Chemical Equilibria, etc. Physical Properties Worked
Chapter 07: Salts Preparation
Chapter 7 Salt Preparation Salts A salt is an ionic compound formed when a metallic ion or an ammonium ion (NH₄⁺) replaces one or more hydrogen ions of an acid. 2HCl + MgO → MgCl ₂ + H₂O In the example above, H⁺ of hydrochloric acid is replaced by Mg²⁺ ion. Before determining the