Element Name: Gadolinium
Atomic No.: 64
State (298 K): solid
Uses: alloys, electronics and magnets
Atomic Mass: 157.25 g/mol
Density: 7.90 g/cm
3
B.P.: 3539 K
F.P.: 1586 K
Electronic Configuration: 1s
2
2s
2
2p
6
3s
2
3p
6
3d
10
4s
2
4p
6
4d
10
4f
7
5s
2
5p
6
5d
1
6s
2
Isotopes:
152
Gd 151.9195 amu (0.20%)
154
Gd 153.9207 amu (2.1%)
155
Gd 154.9226 amu (14.8%)
nbsp; 156
Gd 155.9221 amu (20.6%)
157
Gd 156.9339 amu (15.7%)
158
Gd 157.9241 amu (24.8%)
nbsp; 160
Gd 159.9071 amu (21.8%)
Electronegativity: 1.20
Radius: 161 pm (coavalent)
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