There has been considerable debate among physicists over the last 15 years about conflicting measurements of the charge ...

The simplicity of a hydrogen atom makes it an ideal model for studying atomic structure and interactions. Yet, despite the ...

Powerful probe The Electron-Ion Collider at Brookhaven National Laboratory will smash together electrons and protons to study the strong nuclear force and the role of gluons in nucleons and nuclei.

Daria Sokhan receives funding from UKRI, STFC, EU Commission, Ile-de-France region. Daria Sokhan is currently on leave at CEA Saclay, France, where she holds the Blaise Pascal Chair. When the Nobel ...

Atoms are very small. They have a radius of around 1 × 10 10 metres. This symbol shows that chlorine has 35 particles in the nucleus (protons and neutrons), 17 of which are protons. It also tells us ...

A helium atom has two electrons in an energy level outside the nucleus. The atom is neutral as it has two positive protons and two negative electrons. A helium atom that has lost or gained an electron ...