Year 9 Chemistry: Reactivity of Metals
What is Reactivity of Metals? Reactivity of metals refers to how easily a metal will react with…
Yr 9 Chemistry
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…
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…