Amino Acids and Amide Links: Past Paper Question Analysis
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...
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- Dec 20, 2022
- 1 min
Halogenoalkane Reactions: Past Paper Question Analysis
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...
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- Jul 1, 2022
- 2 min
A Couple of Points on Straight Line Graphs...
Here we look at a great way to construct/sketch a straight line graph that requires just two points. The two-point gradient and...
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- Apr 26, 2022
- 2 min
Seriously Silky-Smooth Skills: Significant Solutions - Solving Sums Sensibly
How Many Significant Figures? A question that caused all sorts of problems for me in my younger days. It seems that others have similar...
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- Apr 17, 2022
- 2 min
Atomic and Ionic Radii of the Period 3 Elements
Atomic Radii Given that atoms and ions are subject to different environments and forces, it is difficult to assign atomic/ionic radii -...
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- Sep 24, 2021
- 2 min
How to Handle Quadratic Sequences
There are several ways to find the equation for a quadratic sequence - I have found the following to be the best. Quadratic sequences...
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- Sep 10, 2021
- 1 min
GCSE Trial & Improvement Questions - easy when you know how.
In ‘trial & improvement’ questions, there are steps you can use to guarantee full marks. The idea is to gradually zero in on a reasonable...
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