61
Pm
Promethium
Series: Lanthanide
Mass: 146.9151 g·mol−1 (mass of most stable isotope)
Discovered: 1945
Melting Point: 930.85 C (1204 K)
Boiling Point: 2999.85 C (3273 K)
View pictures of Promethium at the Wooden Periodic Table.
Read about Promethium on Wikipedia.

Back to the Periodic Table

Comments?

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

Sat Sep 12 17:41:34 2015