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.

In a surprising turn of events, an international team of scientists has found that lead-208 (208 Pb), the heaviest known "doubly magic" nucleus, exhibits unexpected shape characteristics that current ...

The Large Hadron Collider (LHC) has once again pushed the boundaries of science by detecting traces of the most massive antimatter nucleus ever observed. This discovery opens a new window into the ...

Players read questions about energy levels and score points by picking the correct element as the answer. Electrons are in regions around the nucleus that are different distances away from the nucleus ...

Atomic structure - Edexcel Atoms consist of a nucleus containing protons and neutrons ... Sample exam questions - key concepts in chemistry - Edexcel Understanding how to approach exam questions ...

Niels Bohr adapted Ernest Rutherford's nuclear model. Bohr did calculations that led him to suggest that electrons orbit the nucleus in shells. The shells are at certain distances from the nucleus.