The lanthanides are the 15 metallic chemical elements with atomic numbers 57 through 71, namely
Lanthanum (La) 57
Cerium (Ce) 58
Praseodymium (Pr) 59
Neodymium (Nd) 60
Promethium (Pm) 61
Samarium (Sm) 62
Europium (Eu) 63
Gadolinium (Gd) 64
Terbium (Tb) 65
Dysprosium (Dy) 66
Holmium (Ho) 67
Erbium (Er) 68
Thulium (Tm) 69
Ytterbium (Yb) 70
Lutetium (Lu) 71
Rare earth elements comprise the lanthanides together with
scandium and yttrium.
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