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Article
59
Pr
140.91
Praseodymium
Category:
Lanthanide |
State:
Solid
Atomic Properties
Atomic Number
59
Atomic Mass
140.91
Electronic Configuration
[Xe] 4f³ 6s²
Periodic Table Placement
Group
N/A
Period
6
Block
f-block
Physical Properties & Discovery
Melting Point
935°C
Boiling Point
3520°C
Density
6.773 g/cm³
Discovered By
Carl Auer von Welsbach (1885)
Frequently Asked Questions about Praseodymium