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Helium Element
| Helium |
| Atomic Number |
: 2 |
| Atomic Weight |
: 4.002602 |
| Boiling Point |
: -268.93oC |
| Melting Point |
: -272.2oC |
| Phase at Room Temperature: |
: Gas |
| Element Classification: |
: Non-Metal |
| Period Number: |
: 1 |
| Discovered Year: |
: 1868 |
| Discovered by: |
: Norman Lockyer and Edward Frankland |
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Periodic Table
Periodic Table Elements
Periodic Table Facts
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