It is wise to plan your answer first by making some notes. This will help you to include ... In your answer, use ideas about electronic structure to explain differences in chemical properties.

Try listening to these revision podcasts from Bitesize and ... Pea guide you through everything you need to know about atomic structure and the periodic table to ace your GCSE science exam.

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

For more than 100 years, scientists have used a method called crystallography to determine the atomic structure of materials. The method works by shining an X-ray beam through a material sample ...

Chemical processes on the other hand involve mainly electromagnetic force to change only the electronic structure of atoms. Fission splits a heavy element (with a high atomic mass number) into ...

Proceedings of the American Academy of Arts and Sciences, Vol. 45, No. 5 (Jan., 1910), pp. 137-158 (22 pages) ...