105
Db
Dubnium
Series: Transition metal
Mass: 262.1138 g·mol−1 (mass of most stable isotope)
Discovered: 1967
Melting Point: Unknown
Boiling Point: Unknown
View pictures of Dubnium at the Wooden Periodic Table.
Read about Dubnium on Wikipedia.

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

Sat Sep 12 17:41:35 2015