Neptunium

=Neptunium=


 * Atomic Number:** 93


 * Protons:** 93


 * Electrons:** 93


 * Neutrons:** 144


 * Average Atomic Mass:**  (237)


 * Isotopes:** Np- 234, Np-235, Np-236Np, Np-237Np, Np-238Np, Np-239


 * Discovery:** Neptunium was discovered by McMillan and Abelson in 1940 at Berkeley, California, USA, he bombarded uranium with neutrons made from a cyclotron.

**Name:** They called element  neptunium, because Neptune was the god of the seas, it is also a planet as shown in the element card on the top right side on the Wiki page.

 * Uses:** Np-237 is component in neutron detection instruments, it also can be used as a fuel for fast nuclear reactors, or a nuclear weapon.


 * Interesting Facts**: Neptunium appearance is metal. Neptunium is also found in trace amounts in uranium ores. Neptunium-237 is the most mobile actinide in the deep geological repository area.


 * Video:** media type="youtube" key="AFo96BkYNdQ" height="344" width="425"


 * Sources**
 * Photo: [|Neptune by Hawk914 on Flickr]
 * Video: http://www.youtube.com/watch?v=AFo96BkYNdQ
 * http://www.webelements.com/neptunium/history.html
 * [|Neptune on Wikipedia]
 * [|web elements isotopes]