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Helium

Helium . By: daisy aguilar & Tatyuna Hill. Element. Element name : Helium E lement symbol: He. Atomic number : 2 A tomic mass is: 4.0026. How it’s used? . Filling up balloons.. Inflate blimps… Neon signs…. Solid, Liquid or Gas ? Family name??.

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Helium

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  1. Helium By: daisy aguilar & Tatyuna Hill

  2. Element • Element name : Helium • Element symbol: He. • Atomic number : 2 • Atomic mass is: 4.0026

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

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

  5. 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.

  6. 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…

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