Element Name: Praseodymium
Atomic No.: 59
State (298 K): solid
Uses: alloys and welders goggles
Atomic Mass: 140.91 g/mol
Density: 6.77 g/cm
3
B.P.: 3785 K
F.P.: 1204 K
Electronic Configuration: 1s
2
2s
2
2p
6
3s
2
3p
6
3d
10
4s
2
4p
6
4d
10
4f
3
5s
2
5p
6
6s
2
Isotopes:
141
Pr 140.91 amu (100.0%)
Electronegativity: 1.13
Radius: 165 pm (covalent)
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