Chemistry — Materials and Their Structure

Atoms, elements and the Periodic TableSign up

Understand that all matter is made of atoms, with each different type of atom being a different element. · Know that the Periodic Table presents the known elements in an order. · Know metals and non-metals as the two main groupings of elements.

Elements, compounds, mixtures and states of matterSign up

Describe the differences between elements, compounds and mixtures, including alloys as an example of a mixture. · Describe a vacuum as a space devoid of matter. · Describe the three states of matter as solid, liquid and gas in terms of the arrangement, separation and motion of particles. · Use the particle model to represent elements, compounds and mixtures.