1 The electronic structure of sodium can also be shown in a diagram. Each dot represents an electron. Since the atomic number of oxygen is 8, it will have 8 protons in the nucleus. An atom of ...

Photo: Atomic bomb test explosion in Alamagordo, New Mexico, July 16, 1945. AP/Wide World Photos In 1932, James Chadwick discovered the neutron, a small atomic particle with mass but no charge.

Photos were shot by 27 people and one Japanese organization between Aug. 6, 1945, when the first atomic bomb was dropped on Hiroshima, killing around 140,000 people, and December of the same year.

Electron diffraction is a powerful analytical technique used to study the atomic structure of materials ... and related fields to characterize the structure, composition, and properties of various ...

On the morning of August 6, 1945, a lone B-29 bomber dropped a single atomic bomb on the city of Hiroshima in Japan. Soldiers had nicknamed the weapon "Little Boy." It's estimated that 70,000 ...