K for potassium). All of the answers to the Workbook can be found herePrinciples of ChemistryPrinciples of ChemistryInorganic ChemistryPhysical ChemistryOrganic Chemistry. Download Chemistry answers. Discover our range of IGCSE Chemistry Student Textbooks Assesses all the Principles of Chemistry (Paper 1)| The periodic table is the “map/address book” for elements where each element is given a symbol (E.g. Edexcel International GCSE () Chemistry Workbook. You can work out the mass of water of c