Rutherford and Bohr describe atomic structure 1913 Photo: Niels Bohr's research notes for his new atomic theory In 1911, Niels Bohr earned his PhD in Denmark with a dissertation on the electron ...

Discover the history, structure, and importance of the periodic table of elements, from Mendeleev’s discovery to modern scientific applications.

In this video excerpt from NOVA's "Hunting the Elements," New York Times technology columnist David Pogue examines how atomic structure determines reactivity. Meet Theo Gray, chemist and author ...

This particle diagram shows a mixture made up of water and carbon dioxide. The water molecules each have two white hydrogen atoms and one red oxygen atom (H₂O).

It is a story of how ideas changed about the nature of the atom. These are the notes (and diagrams) I use when I teach the atomic nature of matter to non-science majors. The best thing about this ...

All the elements in the Periodic Table are made from different atoms, and the structure of these atoms results in a gamut of phenomena from radioactive decay to nuclear power.

If the chemical element and 3D location of every atom in a material are known, then the material’s physical properties can, in principle at least, be predicted using the laws of physics. The ...

Milestone in chemical studies of superheavy elements: Superheavy element and carbon atom bonded for first time Date: September 19, 2014 Source: Universität Mainz Summary: A chemical bond between ...