Year 9 Chemistry: Polymers – HDPE, LDPE, Cross-Linking and Plasticizing
What are Polymers? Polymers are large molecules made up of many smaller units called monomers. Think of…
Yr 9 Chemistry
Year 9 Chemistry: Chemical Bonds: Ionic, Covalent and Metallic
Introduction to Chemical Bonds Chemical bonds are the connections that hold atoms together in a substance. There…
Year 9 Chemistry: Bulk and Surface Properties of Matter Including Nanoparticles
Introduction to Matter In chemistry, we study matter, which is anything that has mass and takes up…
Year 9 Chemistry: A Simple Model of the Atom, Symbols, Relative Atomic Mass, Electronic Charge and Isotopes
Introduction to Atoms Atoms are the basic building blocks of everything around us, including you! Everything you…
Year 9 Chemistry: How Bonding and Structure are Related to the Properties of Substances
Introduction to Bonding and Structure In chemistry, the way atoms stick together is called bonding. The arrangement…
Year 9 Chemistry: Properties of Group 1, Group 0, Group 7 and Transition Metals
Welcome to your chemistry lesson! Today, we will explore four important groups of elements on the periodic…
Year 9 Chemistry: How Bonding and Structure are Related to the Properties of Substances
Introduction to Bonding and Structure In chemistry, bonding refers to the way atoms connect together to form…
Year 9 Chemistry: Reactions of Acids
Introduction to Acids Hello, students! Today, we’re going to learn about the reactions of acids. Acids are…