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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

Periodic Table
Periodic Table Elements
Periodic Table Facts


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