2
He
Helium
Series: Noble gas
Mass: 4.002602(2) g·mol−1
Discovered: 1868
Melting Point: N/A
Boiling Point: -268.93 C (04 K)
View pictures of Helium at the Wooden Periodic Table.
Read about Helium on Wikipedia.

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Copyright 2008 Mark Ivey. Based on data retrieved from Wikipedia.

Sat Sep 12 17:41:34 2015