Weaknesses/Route to A*

 Periodic table and its development:BALANCING EQUATIONS

Periodic table and its development: Understanding of making predictions and testing them Knowing your way around the periodic table Balance symbol equations Clear understanding of the patterns shown in the periodic table Clear understanding of the range of transition metal 'Special properties' Clear understanding of the reasons for the trends in reactivity of the halogens

Whats in the water we drink?: Range from the detail of the chemical reactions to an analysis of the wider issues involved in water supply Add or interpret state symbols when working with balanced symbolic equations If mixed ions can form an insoluble combination, they will. interpret diagrams in terms of the quality of source water, the processes used for the physical removal of large and small debris and finally how microorganisms are dealt with Understanding the relationship between particle size and total surface area.

Weaknesses

Route to A*