Module 2 | Metals
Focus 3: As metals and other elements were discovered, scientists recognised that patterns in their physical and chemical properties could be used to organise the elements into a Periodic Table
Lesson 1 | Development of the periodic table
Identify an appropriate model that has been developed to describe atomic structure.
Outline the history of the development of the Periodic Table including its origins, the original data used to construct it and the predictions made after its construction.
Process information from secondary sources to develop a Periodic Table by recognising patterns and trends in the properties of elements and use available evidence to predict the characteristics of unknown elements both in groups and across periods.
Lesson 2 | Trends in the periodic table
Explain the relationship between the position of elements in the Periodic Table, and:
– electrical conductivity
– ionisation energy
– atomic radius
– melting point
– boiling point
– combining power (valency)
Use computer-based technologies to produce a table and a graph of changes in one physical property across a period and down a group.