They form coloured compounds and act as catalysts. Sample exam questions - atomic structure and the periodic table - AQA Understanding how to approach exam questions helps to boost exam performance.

“I remembered drawing these diagrams in chemistry lessons back at school and how they helped me to make sense of the periodic table,” Haigh tells Co.Design. ” I wanted to see how the pattern ...

Sample exam questions - atomic structure and the periodic table - AQA Understanding how to approach exam questions helps to boost exam performance. Question types will include multiple choice ...