PERIODIC TABLE

CAIRNS EDITION

 Group
(¯ )

1
IA

2
IIA

 

 

 

 

 

 

 

 

 

 

13
IIIA

14
IVA

15
VA

16
VIA

17
VIIA

18
VIIIA

1

Period
(® )

1

H

1.008

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

He

4.003

2

3

Li

6.941

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

24.30

 

3

 

4

 

5

 

6

 

7

 

8

 

9

 

10

 

11

 

12

13

Al

26.98

14

Si

28.09

15

P

30.97

16

S

32.07

17

Cl

35.45

18

Ar

39.95

4

19

K

39.10

20

Ca

40.08

21

Sc

44.96

22

Ti

47.87

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

72.61

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

98.91

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

La-

Lu

72

Hf

178.5

73

Ta

180.9

74

W

183.8

75

Re

186.2

76

Os

190.2

77

Ir

192.2

78

Pt

195.1

79

Au

197.0

80

Hg

200.6

81

Tl

204.4

82

Pb

207.2

83

Bi

209.0

84

Po

210.0

85

At

210.0

86

Rn

222.0

7

87

Fr

223.0

88

Ra

226.0

Ac-

Lr

104

Unq

105

Unp

106

Unh

107

Uns

108

Uno

109

Une

. . . .

 

 

 

 

 

 

 

 

 

57

La

138.9

58

Ce

140.1

59

Pr

140.9

60

Nd

146.2

61

Pm

144.9

62

Sm

150.4

63

Eu

152.0

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

173.0

71

Lu

175.0

89

Ac

227.0

90

Th

232.0

91

Pa

231.0

92

U

238.0

93

Np

237.0

94

Pu

239.1

95

Am

241.1

96

Cm

244.1

97

Bk

249.1

98

Cf

252.1

99

Es

252.1

100

Fm

257.1

101

Md

258.1

102

No

259.1

103

Lr

262.1