Chemistry Resources

1. Practice questions- Practise as many as you can. Maybe even have a routine where you do one Q per science in the morning before heading off to school. This way, you`re constantly r...

The mol is a key concept for any level of chemistry, so it is important to understand what it is and what it is used for.The definition of a mol is "The amount of a substance that has...

There are almost always marks available for knowing your gas and ion tests in GCSE chemistry.These are all the ion and gas tests you will need to know for AQA GCSE chemistry taken dir...

Organic compounds are simply defined as compounds that contain carbon. We then ask, why is an entire branch of Chemistry devoted to the study of carbon-containing compounds? We study ...

How many eggs is a dozen eggs? 12, obviously.How many books is a dozen books? Again, obviously 12.How many pens is a dozen pens? Why are we doing this? Obviously it`s 12. It doesn`t m...

In almost every A-level and AS-level exam, there is a 5-mark question about an ion being accelerated by a TOF-mass spectrometer. You are either given the mass of the ion and asked to ...

What is atom economy and why do we care?In industrial and research chemistry, most reactions produce side-products alongside the products we are interested in. These side-products can...

There will almost certainly be a percentage yield question in your AS or A2 chemistry exam. These can be quite daunting questions, especially to those who aren`t very confident in mat...

The Idea of the Atom: Way back, around 400 B.C., this smart Greek chap named Democritus coined the term "atomos", meaning "indivisible". He thought matter was made of these tiny parti...

IntroductionAcid-base titration is a cornerstone technique in the realm of analytical chemistry. It serves as a vital tool for determining the concentration of a solution, offering in...