57
La
Lanthanum
Series: Lanthanide
Mass: 138.90547(7) g·mol−1
Discovered: 1839
Melting Point: 916.85 C (1190 K)
Boiling Point: 3463.85 C (3737 K)
View pictures of Lanthanum at the Wooden Periodic Table.
Read about Lanthanum on Wikipedia.

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

Sat Sep 12 17:41:34 2015