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 ...

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.

In this specially illustrated story, the artist and writer Ben Platts-Mills recounts what happened to these atomic bomb-makers ... Slotin sketched a diagram of where they had each been standing ...

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 ...