Helium

Atomic Structure
Symbol	He
Atomic Number	2
Atomic Mass	4.002602 g/mol
Periodic Table
Group	8
Row / Period	1
Element Category	Noble gas
Chhapa
Ek Helium atom

Because it is very light, helium is the gas of choice to fill airships such as the Goodyear blimp

file:HeNe Laser Build.webm Helium ek chemical element hae, jiske chemical symbol He aur atomic number 2 hae. Ii bina rang ke ek gas hae, jon ki duusra element re react nai hoe hae. Iske halluk hoe ke kaaran, iske baloon me kaam e lawa jaawe hae.

Chhapa ke gallery

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  Superfluidity
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  Diagram of He-4
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  Why He${}_2$ is unbound
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  Discharge tube
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  Glowing helium
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  Template:QI seal spectrum tube: Helium ++
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  Template:QI seal spectrum tube: Helium