Nitrogen

=Nitrogen=


 * Atomic Number:**7


 * Protons:**7 


 * Electrons 7** 


 * Neutrons:**7 


 * Average Atomic Mass:**14.007 amu


 * Isotopes: N-12 **,N-13,N-14,N-15,N-16,N-17,N-18,N-19,N-20


 * Discovery:**This element was discovered in Scotland 1772 by a man named Daniel Rutherford. 
 * Name:** From the Greek words "nitrogen genes" meaning "niter" and "forming" and the Latin word "nitrum" (niter is a common name for potassium nitrate,KNO)

= =
 * Uses:** This element is used as an intert atmosphere in tanks of explosives liquid storage tanks,both in ground-based tanks and in ships **I**nteresting Facts:Nitrogen gas makes up 78.1% of the volume of the Earth's air.

media type="youtube" key="zmvJ54kRpjg" height="344" width="425"
 * Video:**


 * Sources**


 * Photo:[|to make a batch of sorbet with liquid nitrogen? by Jocelyn | McAuliflower]
 * Video: [|Nitrogen on the Periodic Table of Videos on YouTube]
 *  http://www.webelements.com/nitrogen/history.html____
 *  http://www.webelements.com/nitrogen/isotopes.html__