The idea of electron shells is essential in chemistry and also plays an important part in various areas of physics so needs to be discussed in its own right. But before we look at electron shells let's be clear that this is just a model - a way of imagining what is going on inside … Continue reading Electron Shells
Atoms – basic ideas
The original idea of an atom came from asking a very simple question: if you take a substance and cut it into smaller and smaller pieces, is there a limit to how many times you can keep cutting it into smaller pieces? When this question was originally asked, back in ancient Greece around 400 BC, … Continue reading Atoms – basic ideas
Mr Tarrant's physbang 'blog 