Helium
Helium ek chemical element hae, jiske chemical symbol He aur atomic number 2 hae.
Ii bina rang ke ek gas hae, jon ki dusra element re react nai hoe hae. Iske halluk hoe ke kaaran, iske baloon me kaam e lawa jaawe hae.
| 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 | |
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Chhapa ke gallery
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Superfluidity -
Diagram of He-4 -
Why Heis unbound
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Discharge tube -
Glowing helium -
spectrum tube: Helium ++ -
spectrum tube: Helium
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