The Periodic Table of Elements

  1   18  
1

1

H

1.008

2    
  •  Alkali Metals
  •  Alkali Earth Metals
  •  Transition Metals
  •  Post Transition Metals
  •  Metalloids
  •  Lanthanides
  •  Actinides
  •  Nonmetals
  •  Halogens
  •  Noble Gases
13 14 15 16 17

2

He

4.003

2

3

Li

6.94

4

Be

9.012

   

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

3 4 5 6 7 8 9 10 11 12

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

47.88

23

V

50.94

24

Cr

52.00

25

Mn

54.94

26

Fe

55.85

27

Co

58.93

28

Ni

58.69

29

Cu

63.55

30

Zn

65.39

31

Ga

69.72

32

Ge

72.64

33

As

74.92

34

Se

78.96

35

Br

79.90

36

Kr

83.79

 
5

37

Rb

85.47

38

Sr

87.62

39

Y

88.92

40

Zr

91.22

41

Nb

92.91

42

Mo

95.96

43

Tc

(98)

44

Ru

101.1

45

Rh

102.9

46

Pd

106.4

47

Ag

107.9

48

Cd

112.4

49

In

114.8

50

Sn

118.7

51

Sb

121.8

52

Te

127.6

53

I

126.9

54

Xe

131.3

 
6

55

Cs

132.9

56

Ba

137.3

*

72

Hf

178.5

73

Ta

180.9

74

W

183.9

75

Re

186.2

76

Os

190.2

77

Ir

192.2

78

Pt

195.1

79

Au

197

80

Hg

200.5

81

Tl

204.38

82

Pb

207.2

83

Bi

209

84

Po

(209)

85

At

(210)

86

Rn

(222)

 
7

87

Fr

(223)

88

Ra

(226)

**

104

Rf

(265)

105

Db

(268)

106

Sg

(271)

107

Bh

(270)

108

Hs

(277)

109

Mt

(276)

110

Ds

(281)

111

Rg

(280)

112

Cn

(285)

113

Nh

(286)

114

Fl

(289)

115

Mc

(289)

116

Lv

(293)

117

Ts

(294)

118

Og

(294)

 
 
Lanthanides*

57

La

138.9

58

Ce

140.1

59

Pr

140.9

60

Nd

144.2

61

Pm

(145)

62

Sm

150.4

63

Eu

152

64

Gd

157.2

65

Tb

158.9

66

Dy

162.5

67

Ho

164.9

68

Er

167.3

69

Tm

168.9

70

Yb

173

71

Lu

175

 
Actinides**

89

Ac

(227)

90

Th

232

91

Pa

231

92

U

238

93

Np

(237)

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

(262)