The picture shows a close-up of one carbon atom. A hydrogen atom has one proton as the nucleus and one electron in the region outside the nucleus. The electron and proton are attracted to each other.

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 that chlorine has ...

Lead-208, recognized as the heaviest double magic isotope ever observed, has long served as a benchmark of stability and ...

One leading explanation was that there were electrons and additional protons in the nucleus as well -- the ... He called it a neutron, and imagined it as a paired proton and electron.

Scientists have now mapped the forces acting inside a proton, showing in unprecedented detail how quarks—the tiny particles ...

Atomic nuclei exhibit multiple energy scales simultaneously—ranging from hundreds down to fractions of a megaelectronvolt. A ...

Chinese scientists sustain plasma at 100 million degrees C for 1,066 seconds in EAST, advancing nuclear fusion research.