Metal lanthanides

57

La

138.9055 u

[Xe] 5d1 6s2

Lanthanum

Metal lanthanides

58

Ce

140.116 u

[Xe] 4f1 5d1 6s2

Cerium

Metal lanthanides

59

Pr

140.9077 u

[Xe] 4f3 6s2

praseodymium

Metal lanthanides

60

Nd

144.242 u

[Xe] 4f4 6s2

neodymium

Metal lanthanides

61

Pm

145 u

[Xe] 4f5 6s2

Promethium

Metal lanthanides

62

Sm

150.36 u

[Xe] 4f6 6s2

Samarium

Metal lanthanides

63

Eu

151.964 u

[Xe] 4f7 6s2

Europium

Metal lanthanides

64

Gd

157.25 u

[Xe] 4f7 5d1 6s2

Gadolinium

Metal lanthanides

65

Tb

158.9254 u

[Xe] 4f9 6s2

Terbium

Metal lanthanides

66

Dy

162.5 u

[Xe] 4f10 6s2

Dysprosium

Metal lanthanides

67

Ho

164.9303 u

[Xe] 4f11 6s2

holmium

Metal lanthanides

68

Er

167.259 u

[Xe] 4f12 6s2

Erbium

Metal lanthanides

69

Tm

168.9342 u

[Xe] 4f13 6s2

Thulium

Metal lanthanides

70

Yb

173.045 u

[Xe] 4f14 6s2

Ytterbium

Metal lanthanides

71

Lu

174.9668 u

[Xe] 4f14 5d1 6s2

lutetium

Metal lanthanides