I can describe the role and amount of electrons, protons and neutrons in an atom

I can explain what happens when the number of electrons, protons or neutrons is altered in an atom

I can use Bohr diagrams to represent atoms and ions

I can identify historical examples of how humans worked with chemical substances to meet their basic needs

I can outline the role of evidence in the development of the atomic model consisting of protons and neutrons (nucleons) and electrons; i.e., Dalton, Thomson, Rutherford, Bohr

I can identify examples of chemistry-based careers in the community