Year 9 · Chemical sciences
Choose a topic.
- AC9S9U06The Atom and Radioactive Decayexplain how the model of the atom changed following the discovery of electrons, protons and neutrons and describe how natural radioactive decay results in stable atoms
- AC9S9U07Chemical Equations and Conservation of Massmodel the rearrangement of atoms in chemical reactions using a range of representations, including word and simple balanced chemical equations, and use these to demonstrate the law of conservation of mass