This PowerPoint presentation with worked examples and student questions covers: • Relative size of nanoparticles • Convert nanometres using standard form • Uses and dangers of nanoparticles

This PowerPoint presentation with worked examples and student questions covers: • State the number of elements in a chemical formula. • Determine the chemical formula from display formula. • Dot and cross diagrams for bonded atoms

This PowerPoint presentation with worked examples and student questions covers: • Definition of giant covalent structures • An empirical formula shows the simplest whole-number ratio of the atoms of each compound. • Melting and boiling point of simple molecules • Compare physical properties of simple molecules and giant covalent lattices.

This PowerPoint presentation with worked examples and student questions covers: • State what is meant by mono- and poly-. • Describe polymerisation and the effects of cross-links in polymers. • Determine a polymer’s repeat units from a monomer’s structural formula.

OCR Applied Science Level 3 - Module 21: Product Testing Techniques. This PowerPoint presentation with worked examples and student activities covers: Topic 2.3 of Module 21: Product Testing Techniques. 2.3 Effectiveness of test • Appropriate test method • Data collection validity and reliability • Consistent chemical composition • Hazards and risks of use

This PowerPoint presentation with worked examples and student questions covers: • Pathways into medical chemistry • State the number of atoms from a chemical formula. • Properties of metals and non-metals • Determine state symbols for chemical equations • Balancing chemical equations

This PowerPoint presentation with worked examples and student questions covers: • State the number of atoms from a chemical formula. • Relative Atomic masses and relative formula mass • Practical activity of non-closed chemical reactions.

This PowerPoint presentation with worked examples and student questions covers: • State the number of electrons in each energy level. • Determine what type of ion an atom would form. • Calculate the ionic charge an atom would form with use of the periodic table. • Groups number, outer shell electrons, dot and cross diagrams

This PowerPoint presentation with worked examples and student questions covers: • Using Standard Form • Avogadro’s constant • Relative Atomic Mass, Relative Formula Mass and Molar Mass • Rearranging Equations • Calculating the number of moles present

This PowerPoint presentation with worked examples and student questions covers: • Precipitation in chemical reactions • Definition of ions • Ionic Half equations • Dot and cross diagrams for electron structure • Introduction to full ionic equations and net ionic equations

This PowerPoint presentation with worked examples and student questions covers: • Rearranging Equations • Stoichiometry as relative abundances • Relative Atomic Mass, Relative Formula Mass and Molar Mass • Calculating the number of moles present • Conservation of mass

This PowerPoint presentation with worked examples and student questions covers: • Definition of bond energies • Calculating bond energies per mole • Calculating change in bond energies in reactions • Determining if a reaction is exothermic or endothermic from the change in bond energy.

This PowerPoint presentation with worked examples and student questions covers: • Definition for exothermic and endothermic • Examples of exothermic and endothermic reactions • Practical procedure for NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l) • Determining if experimental evidence show a exothermic or endothermic reaction

This PowerPoint presentation with worked examples and student questions covers: • pH 0 - 14 scale with household examples • Definitions for acids, bases and alkali substances • Universal indicator and pH probes • Using equalities and inequalities

This PowerPoint presentation with worked examples and student questions covers: • Oxidation and reduction reactions for oxygen • Identification of oxidation and reduction agents • Oxidation and reduction reactions for electrons • Half equations to determine oxidation and reduction

OCR Applied Science Level 3 - Module 21: Product Testing Techniques. 3.1 Titration techniques on consumer products • Acid-base titration (e.g. limescale removers, eco-disinfectants) • Precipitation titration (e.g. contact lens saline solution) • Redox titration, (e.g. bleach, tooth whitener; vitamin C tablets). • Complexometric titrations (e.g. Milk of Magnesia) Including explanation and activities on: Titration calculations Moles and molar mass Rearranging Equations State symbols Significant Figures Comparing Data

This PowerPoint presentation with worked examples and student questions covers: • Identifying metals on the periodic table • Predicting the salt formed in acid metal reactions. • Predicting the salt formed in acid carbonate reactions. • Conservation of mass and state symbols