|
Neodymium
|
Nd
|
60
|
Lanthanide
|
the Greek neos didymos meaning 'new twin'
|
|
6
|
144.24
|
0.00
|
7.01
|
1297.00
|
3347.00
|
0.19
|
1.14
|
41.50
|
|
Promethium
|
Pm
|
61
|
Lanthanide
|
Prometheus of Greek mythology who stole fire from the Gods and gave it to humans
|
|
6
|
|
|
7.26
|
1315.00
|
3273.00
|
|
1.13
|
0.00
|
|
Cerium
|
Ce
|
58
|
Lanthanide
|
the then recently discovered asteroid Ceres, considered a planet at the time
|
|
6
|
140.12
|
0.00
|
6.77
|
1068.00
|
3716.00
|
0.19
|
1.12
|
66.50
|
|
Terbium
|
Tb
|
65
|
Lanthanide
|
Ytterby, Sweden
|
|
6
|
158.93
|
0.00
|
8.23
|
1629.00
|
3503.00
|
0.18
|
1.20
|
1.20
|
|
Gadolinium
|
Gd
|
64
|
Lanthanide
|
Johan Gadolin, chemist, physicist and mineralogist
|
|
6
|
157.25
|
0.03
|
7.90
|
1585.00
|
3546.00
|
0.24
|
1.20
|
6.20
|
|
Europium
|
Eu
|
63
|
Lanthanide
|
Europe
|
|
6
|
151.96
|
0.00
|
5.24
|
1099.00
|
1802.00
|
0.18
|
1.20
|
2.00
|
|
Samarium
|
Sm
|
62
|
Lanthanide
|
Samarskite, the name of the mineral from which it was first isolated
|
|
6
|
150.36
|
0.02
|
7.52
|
1345.00
|
2067.00
|
0.20
|
1.17
|
7.05
|
|
Lutetium
|
Lu
|
71
|
Lanthanide
|
Lutetia, the Latin name for Paris
|
|
6
|
174.97
|
0.00
|
9.84
|
1925.00
|
3675.00
|
0.15
|
1.27
|
0.80
|
|
Ytterbium
|
Yb
|
70
|
Lanthanide
|
Ytterby, Sweden
|
|
6
|
173.05
|
0.00
|
6.97
|
1097.00
|
1469.00
|
0.16
|
1.10
|
3.20
|
|
Thulium
|
Tm
|
69
|
Lanthanide
|
Thule, the ancient name for Scandinavia
|
|
6
|
168.93
|
0.00
|
9.32
|
1818.00
|
2223.00
|
0.16
|
1.25
|
0.52
|