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72

Capitolo 3 Il sistema periodico

1

H

3

Li

11

Na

19

K

37

Rb

55

Cs

87

Fr

4

Be

12

Mg

20

Ca

38

Sr

56

Ba

88

Ra

21

Sc

39

Y

57

La*

89

Ac**

22

Ti

40

Zr

72

Hf

104

Rf

23

V

41

Nb

73

Ta

105

Db

24

Cr

42

Mo

74

W

106

Sg

25

Mn

43

Tc

75

Re

107

Bh

26

Fe

44

Ru

76

Os

108

Hs

27

Co

45

Rh

77

Ir

109

Mt

28

Ni

46

Pd

78

Pt

110

Ds

29

Cu

47

Ag

79

Au

111

Rg

112

Cn

30

Zn

48

Cd

80

Hg

5

B

13

Al

31

Ga

49

In

81

Tl

6

C

14

Si

32

Ge

50

Sn

82

Pb

7

N

15

P

33

As

51

Sb

83

Bi

8

O

16

S

34

Se

52

Te

84

Po

9

F

17

Cl

35

Br

53

I

85

At

58 59 60 61 62 63 64 65 66 67 68 69 70 71

Ce Pr

Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu

90 91 92 93 94 95 96 97 98 99 100 101 102 103

Th Pa U Np Pu Am Cm Bk Cf

Es Fm Md No Lr

2

He

10

Ne

18

Ar

36

Kr

54

Xe

86

Rn

113

Nh

117

Ts

118

Og

114

Fl

115

Mc

116

Lv

Figura 3.2

Struttura a blocchi della tavola periodica.