
Electrides
In this new class of crystalline materials, trapped electrons take the place of negatively charged atoms. The electrons interact in complex ways, leading to unusual optical and electronic properties

Electrides
In this new class of crystalline materials, trapped electrons take the place of negatively charged atoms. The electrons interact in complex ways, leading to unusual optical and electronic properties

Anions of the Alkali Metals
Alkali metals, such as sodium, are familiar as cations: positively charged ions formed when atoms lose an electron. Now it has been learned they can also gain an electron to form very reactive anions

The Solvated Electron
It is an electron that is released into solution when certain metals are dissolved in a liquid such as ammonia. It can also be released by ionizing radiation, and it may play a role in many chemical reactions