A structured KS5 lesson including starter activity and AfL work tasks Ions & The Periodic Table. All tasks have answers included. A bundle is a package of resources grouped together to teach a ...

Precision extreme ultraviolet spectroscopy of highly charged ions has revealed that the lutetium nucleus is smaller than ...

Up until now we have been discussing only the elemental forms of atoms which are neutrally charged. This is because the number of electrons (negative in charge) is equal to the number of protons ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Explaining the basic concepts of quantum mechanics in a concise and easy-to-read manner, this book, containing many homework problems and worked examples, focuses on the key ideas and is conceptually ...