Chemical bonding is the force of attraction that holds atoms together to form molecules or compounds. There are two primary types of chemical bonds: ionic and covalent bonds. Both these bonds play a ...

Dot and cross diagrams help us to model when ions are formed from atoms. Here’s an example using sodium and chlorine. They form ions which bond to form sodium chloride. 2. Work out how many electrons ...

The chemical bond formed by the transfer of electrons from one atom to another is called ionic bond. It is also known as electrovalent bond. And the compounds containing ionic bonds are called ionic ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American A while ago, I wrote a couple of posts ...

Practising questions based on GCSE chemistry past papers will help you to prepare for your chemistry exam. By working through example problems inspired by Edexcel past exam papers, you can build your ...