58  Ce

59  Pr

60  Nd

61  Pm

62  Sm

63  Eu

64  Gd

65  Tb

66  Dy

67  Ho

68  Er

69  Tm

70  Yb

71  Lu

90  Th

91  Pa

92  U

93  Np

94  Pu

95  Am

96  Cm

97  Bk

98  Cf

99  Es

100  Fm

101  Md

102  No

103  Lr

printable PSE-table(small)   printable PSE with all data (PDF)
new:mol. weight calculation   Poster [A4] jpg pdf

discoverer:	Brandt c.1735
English:	Cobalt
atom. weight:	58.93320 g/mol
configuration:	[Ar]3d7,4s2
density:	8.90 g/cm3
melting point:	1768.00 K
boiling point:	3143.00 K
oxid. numbers:	2, 3
electronegativity:	1.88
evaporation energy:	373.3000 kJ/mol
energy of fusion:	16.190 kJ/mol
spec. heat-capacity:	0.421 Jg-1K-1 (300K)
1st ionisat. energy:	7.860
atomic volume:	6.70 cm3/mol
atomic radius:	1.25 Å
kovalent radius:	1.16 Å
state at 20°C:	solid
acid/base:	amphoter
cristal structure:	hcp