Scientists have been studying the nucleus of the atom ever since Ernest Rutherford first discovered it in 1909. Twenty-five years later, scientists were already describing the nucleus as a ...

I read with great interest the article by Katherine Bourzac “Divining the Mysteries of the Atomic Nucleus” in the Jan. 29, 2024, issue of C&EN (page 30). Curious readers might like to know that an ...

The periodic table is one of the triumphs of science. Even before certain elements had been discovered, this chart could successfully predict their masses, densities, how they would link up with other ...

In this episode, Dr Sunayana Bhargava and Tulela Pea explore the history of the atomic model, and how that has developed over the past two centuries. Suitable for: AQA, Edexcel, OCR. For more ...

A part of Rutherford’s scattering experiments, this particular experiment involved shooting alpha particles at a piece of gold foil with the source, foil, and detector placed in a vacuum vessel.

Atoms, isotopes and ions - AQA Radioactive decay - AQA Uses and dangers of radiation - AQA Sample exam questions - atomic structure - AQA ...