Noble+Gases+by+Ashley

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 * Family Location:** Group 8


 * type of metals:** non metal


 * Reactivity:** not reactive


 * Natural State:** all gases


 * Dot Diagram:**
 * [[image:noble_gases.jpg width="394" height="275"]]


 * Facts:**
 * was considered to be inert gases till the 1960's
 * also can be called group zero
 * has complete valence shells rairly reacts with other elements


 * Element Name**: Helium


 * symbol:** He


 * Howd it was named:** new line in the solar spectrum was dicted


 * Discovered by:** Sir Ramsey


 * Discovered in:** 1895


 * Atomic number**: 2


 * Atomic Mass:** 4


 * Melting Point:** -272.2 degrees celsius


 * Boiling Point:** -268.9 degress celsius


 * Valence number:** 0


 * Location:** Natural gases

Super sonic wind tonals Filling Balloons Pressuring liquid fual rockets
 * Use:**


 * Facts:**
 * costs $2500 per ft cubed
 * 2 protons
 * 2 lightist elements
 * colorless
 * lowist melting point
 * formed underground