Helium By: daisy aguilar & Tatyuna Hill. Element Element name : Helium Element symbol: He. Atomic number : 2 Atomic mass is: 4.0026.

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Presentation transcript:

Helium By: daisy aguilar & Tatyuna Hill

Element Element name : Helium Element symbol: He. Atomic number : 2 Atomic mass is:

How it’s used? Filling up balloons.. Inflate blimps… Neon signs…..

Solid, Liquid or Gas ? Family name?? Solid, liquid, gas noble this re they are part of the noble gasses. Family name the noble gasses.

Facts about Helium  The atomic number of helium is 2, meaning each atom of helium has two protons.  Helium is the second-lightest element.  Most Helium is obtained by extracting it from natural gas  Helium is the second- least reactive noble gas.  Helium is monatomic under standard conditions.

Who discovered it….. (when and who)? Who discovered it?: Pierre Janssen When was it discovered?: 1868 Physical, chemical properties:  helium is a colorless, odorless and insipid…  Helium is the second lightest element….  Helium is the second element in the known universe…..  Its less soluble in water than in any other element…  The density of helium is very low…