12

Mg

镁

1.25

1.30

13

Al

铝

1.49

1.55

14

Si

硅

1.74

1.838

15

P

磷

2.02

2.14

16

S

硫

2.31

2.468

17

Cl

氯

2.62

2.82

18

Ar

氩

2.96

3.19

19

K

钾

3.31

3.59

20

Ca

钙

3.69

4.01

21

Se

钪

4.09

4.46

22

Ti

钛

4.51

4.93

23

V

钒

4.95

5.43

24

Cr

铬

5.41

5.95

25

Mn

锰

5.895

6.49

26

Fe

铁

6.40

7.06

27

Co

钴

6.925

7.65

28

Ni

镍

7.47

8.265

29

Cu

铜

8.04

8.907

30

Zn

锌

8.63

9.572

31

Ga

镓

9.24

10.263

32

Ge

锗

9.876

10.984

33

As

砷

10.532

11.729

34

Se

硒

11.21

12.501

1.38

1.42

35

Br

溴

11.91

13.296

1.48

1.53

36

Kr

氪

12.63

14.12

1.59

1.64

37

Rb

铷

13.375

14.971

1.69

1.75

38

Sr

锶

14.142

15.849

1.81

1.87

39

Y

钇

14.933

16.754

1.92

2.00

40

Zr

锆

15.746

17.687

2.04

2.124

2.30

1.792

41

Nb

铌

16.6584

18.647

2.17

2.257

2.46

1.902

42

Mo

钼

17.443

19.633

2.29

2.395

2.62

2.015

43

Tc

锝

18.327

20.647

2.42

2.538

2.79

2.122

44

Ru

钌

19.235

21.687

2.56

2.683

2.96

2.252

45

Rh

铑

20.167

22.759

2.70

2.834

3.14

2.376

46

Pd

钯

21.123

23.859

2.84

2.99

3.33

2.503

47

Ag

银

22.10

24.987

2.98

3.151

3.52

2.633

48

Cd

镉

23.109

26.143

3.13

3.316

3.72

2.767

49

Tn

铟

24.139

27.382

3.29

3.487

3.92

2.904

50

Sn

锡

25.193

28.601

3.44

3.662

4.13

3.044

51

Sb

锑

26.274

29.851

3.605

3.843

4.35

3.188

52

Te

蹄

27.38

31.128

3.77

4.029

4.57

3.335

53

I

碘

28.512

32.437

3.94

4.22

4.80

3.484

54

Xe

氙

29.669

33.777

4.11

4.422

5.04

3.636

55

Cs

铯

30.854

35.149

4.286

4.62

5.28

3.794

56

Ba

钡

32.065

36.553

4.47

4.828

5.53

3.953

57

La

镧

33.30

37.986

4.65

5.043

5.79

4.124

58

Ce

铈

34.569

39.453

4.84

5.262

6.05

4.287

59

Pr

镤

35.864

40.953

5.034

5.489

6.32

4.452

60

Nd

钕

37.185

42.484

5.23

5.722

6.60

4.632

61

Pm

钜

38.535

44.049

5.431

5.956

6.89

4.816

62

Sm

钐

39.914

45.649

5.636

6.206

7.18

4.994

63

Eu

铕

41.323

47.283

5.846

6.456

7.48

5.176

64

Gd

钆

42.761

48.949

6.059

6.714

7.79

5.361

65

Tb

铽

6.275

6.979

8.10

5.546

66

Dy

镝

6.495

7.249

8.42

5.742

67

Ho

钬

6.72

7.528

8.75

5.942

68

Er

铒

6.948

7.81

9.09

6.152

69

Tm

铥

7.18

8.103

9.42

6.341

70

Yb

镱

7.41

8.401

9.78

6.544

71

Lu

镏

7.65

8.708

10.1

6.752

72

Hf

铪

7.898

9.021

10.5

6.958

73

Ta

钽

8.145

9.341

10.9

7.172

74

W

钨

8.396

9.67

11.3

7.386

75

Re

铼

8.651

10.008

11.7

7.602

76

Os

锇

8.91

10.354

12.1

7.821

77

Ir

铱

9.17

10.706

12.5

8.040

78

Pt

铂

9.441

11.069

12.9

8.267

79

Au

金

9.711

11.439

13.4

8.493

80

Hg

汞

9.987

11.823

13.8

8.720

81

Tl

tuo

10.266

12.21

14.3

8.952

82

Pb

铅

10.549

12.61

14.8

9.183

83

Bi

铋

10.84

13.021

15.2

9.419

84

Po

钋

11.13

13.441

15.7

9.662

85

At

砹

11.42

13.87

16.2

86

Rn

氡

11.72

14.316

16.8

87

Fr

钫

12.03

14.77

17.3

88

Ra

镭

12.34

15.233

17.8

10.620

89

Ac

锕

12.65

15.712

18.4

90

Th

钍

12.97

16.20

19.0

11.117

91

Pa

镤

13.29

16.70

19.6

11.364

92

U

铀

13.61

17.218

20.2

11.616