Helium

 =Helium=


 * Atomic Number:** 2


 * Protons:** 2 


 * Electrons:** 2 


 * Neutrons:** 2 


 * Average Atomic Mass:** 4.003amu


 * Isotopes:** He-3, He-4, He-6, and He-8


 * Discovery:** Helium was discovered when first evidence of helium during the solar eclipse in 1868 The man who discovered helium lived in Scotland his name is Sir William Ramsay it was discovered in 1895 .  
 * Name:** Helium was named by Sir Norman Lockyear who saw this element in a spectroscope when he looked at the sun. The name comes from "helios" which is Greek for Sun.


 * Uses:** Helium is used now days to make  balloons float. Its also used to cool nuclear reactors, and in rockets.


 * Interesting Facts**: Somethings that I find very interesting about Helium is that it's one element we use a lot in this world. I wouldn't say we use it the most out of all the other elements but over all Helium is used for many things now days in the U.S.

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 * Video:**
 * Sources**
 * [|Helium on WebElements]
 * [|Helium Isotopes on WebElements]
 * [|Helium History on WebElements]
 *  [|Creative Commons Advanced Search].