Periodic Table of Elements
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IA

<Group

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VIIIA 

1

1
H
1.01

 IIA

 

Atomic number
Symbol
Atomic mass

 

 

Metals

 

Transition Metals

 

Metalloids

 

Nonmetals

 

 

IIIA

IVA

VA

VIA

VIIA

2
He
4.00

2

3
Li
6.94

4
Be
9.01

 

 

 

 

 

 

 

5
B
10.81

6
C
12.01

7
N
14.01

8
O
16.00

9
F
19.00

10
Ne
20.18

3

11
Na
22.99

12
Mg
24.31

IIIB

IVB

VB

VIB

VIIB

VIIIB 


IB

IIB

13
Al
26.98

14
Si
28.09

15
P
30.97

16
S
32.06

17
Cl
35.45

18
Ar
39.95

4

19
K
39.10

20
Ca
40.08

21
Sc
44.96

22
Ti
47.90

23
V
50.94

24
Cr
52.00

25
Mn
54.94

26
Fe
55.85

27
Co
58.93

28
Ni
58.71

29
Cu
63.55

30
Zn
65.38

31
Ga
69.72

32
Ge
72.59

33
As
74.92

34
Se
78.96

35
Br
79.90

36
Kr
83.80

5

37
Rb
85.47

38
Sr
87.62

39
Y
88.91

40
Zr
91.22

41
Nb
92.91

42
Mo
95.94

43
Tc
(98)

44
Ru
101.07

45
Rh
102.91

46
Pd
106.4

47
Ag
107.87

48
Cd
112.40

49
In
114.82

50
Sn
118.69

51
Sb
121.75

52
Te
127.60

53
I
126.90

54
Xe
131.30

6

55
Cs
132.91

56
Ba
137.34

57
La*
138.91

72
Hf
178.49

73
Ta
180.95

74
W
183.85

75
Re
186.21

76
Os
190.2

77
Ir
192.22

78
Pt
195.09

79
Au
196.97

80
Hg
200.59

81
Tl
204.37

82
Pb
207.2

83
Bi
208.96

84
Po
(209)

85
At
(210)

86
Rn
(222)

7

87
Fr
(223)

88
Ra
226.03

89
Ac*
(227)

104
Rf
(261)

105
Db
(262)

106
Sg
(263)

107
Bh
(262)

108
Hs
(265)

109
Mt
(266)

110
Uun
(269)

111
Uuu
(272)

112
Uub
(285)

 113  
Uut
(284)

  114  
 
(289)



  116  
 
(292)

 
 

 
 

 

 *Lanthanides: 

58
Ce
140.11

59
Pr
140.91

60
Nd
144.24

61
Pm
(145)

62
Sm
150.36

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

 *Actinides: 

90
Th
232.04

91
Pa
231.04

92
U
238.03

93
Np
237.05

94
Pu
(244)

95
Am
(243)

96
Cm
(247)

97
Bk
(247)

98
Cf
(251)

99
Es
(252)

100
Fm
(257)

101
Md
(258)

102
No
(259)

103
Lr
(260)

Element web pages courtesy of Mark Winter [The University of Sheffield and WebElements Ltd, UK]  


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