P2 June 2017 Q6 Part of a series looking at past AQA A-level Chemistry questions with a focus on better performance in examinations. If...

P2 June 2017 Q1 Hi there... This is the first post in a series looking at past AQA A-level Chemistry questions. I wanted to go beyond the...

Here we look at a great way to construct/sketch a straight line graph that requires just two points. The two-point gradient and...

How Many Significant Figures? A question that caused all sorts of problems for me in my younger days. It seems that others have similar...

Circle Theorem Revision

Atomic Radii Given that atoms and ions are subject to different environments and forces, it is difficult to assign atomic/ionic radii -...

There are several ways to find the equation for a quadratic sequence - I have found the following to be the best. Quadratic sequences...

In ‘trial & improvement’ questions, there are steps you can use to guarantee full marks. The idea is to gradually zero in on a reasonable...