Atomic Number

Symbol

Molar Mass (g mol-1)

 

 

Rf

 

 

Db

 

 

Sg

 

 

Bh

 

 

Hs

 

 

Mt

 

 

Ds

 

 

Rg

 

 

Cn

 

 

Uut

 

 

Uuq

 

 

Uup

 

 

Uuh

 

 

Uus

 

 

Uuo

 

58

Ce

140.12

59

Pr

140.91

60

Nd

144.24

61

Pm

146.92

62

Sm

150.35

63

Eu

151.96

64

Gd

157.25

65

Tb

158.92

66

Dy

162.50

67

Ho

164.93

68

Er

167.26

69

Tm

168.93

70

Yb

173.04

71

Lu

174.97

90

Th

232.04

91

Pa

231.04

92

U

238.03

93

Np

(237)

94

Pu

(244)

95

Am

(243)

96

Cm

(247)

97

Bk

(247)

98

Cf

(251)

99

Es

(254)

100

Fm

(257)

101

Md

(258)

102

No

(259)

103

Lr

(260)

Group 1
Alkali Metals

Group 2
Alkali Earth Metals

D-block
Metals

P-block
metalloids

P-block
non-metals

Group 7
Halogens

Group 8
Noble Gases

F-block
Lanthanides

F-block
Actinides

Newly synthesised
unnamed Elements

Periodic Table (for IB)

Click on an element to view its physical, chemical and atomic properties.

Information taken out of a 2004-9 IB Chemistry data booklet.

Element

Name 
Symbol 
Atomic Number 
Atomic Mass (g · mol–1) 
Electronic Configuration 
Melting Point at 1 atm (K) 
Boiling Point at 1 atm (K) 
First Ionisation
Energy (kJ · mol–1)
 
Electron Affinity (kJ · mol–1) 
Electronegativity
(Pauling scale)
 
Atomic Radius (pm) 
Ionic Radius (pm)