88
Ra
Radium
Series: Alkaline earth metal
Mass: 226.0254 g·mol−1 (mass of most stable isotope)
Discovered: 1898
Melting Point: 699.85 C (973 K)
Boiling Point: 1736.85 C (2010 K)
View pictures of Radium at the Wooden Periodic Table.
Read about Radium on Wikipedia.

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

Sat Sep 12 17:41:34 2015