Nonmetal

1

2.20

H

Hydrogen

3

0.98

Li

Lithium

4

1.57

Be

Beryllium

5

2.04

B

Boron

6

2.55

C

Carbon

7

3.04

N

Nitrogen

8

3.44

O

Oxygen

9

3.98

F

Fluorine

11

0.93

Na

Sodium

12

1.31

Mg

Magnesium

13

1.61

Al

Aluminum

14

1.90

Si

Silicon

15

2.19

P

Phosphorus

16

2.58

S

Sulfur

17

3.16

Cl

Chlorine

19

0.82

K

Potassium

20

1.00

Ca

Calcium

21

1.36

Sc

Scandium

22

1.54

Ti

Titanium

23

1.63

V

Vanadium

24

1.66

Cr

Chromium

25

1.55

Mn

Manganese

26

1.83

Fe

Iron

27

1.88

Co

Cobalt

28

1.91

Ni

Nickel

29

1.90

Cu

Copper

30

1.65

Zn

Zinc

31

1.81

Ga

Gallium

32

2.01

Ge

Germanium

33

2.18

As

Arsenic

34

2.55

Se

Selenium

35

2.96

Br

Bromine

37

0.82

Rb

Rubidium

38

0.95

Sr

Strontium

39

1.22

Y

Yttrium

40

1.33

Zr

Zirconium

41

1.60

Nb

Niobium

42

2.16

Mo

Molybdenum

43

1.90

Tc

Technetium

44

2.20

Ru

Ruthenium

45

2.28

Rh

Rhodium

46

2.20

Pd

Palladium

47

1.93

Ag

Silver

48

1.69

Cd

Cadmium

49

1.78

In

Indium

50

1.96

Sn

Tin

51

2.05

Sb

Antimony

52

2.10

Te

Tellurium

53

2.66

I

Iodine

55

0.79

Cs

Cesium

56

0.89

Ba

Barium

72

1.30

Hf

Hafnium

73

1.50

Ta

Tantalum

74

2.36

W

Wolfram

75

1.90

Re

Rhenium

76

2.20

Os

Osmium

77

2.20

Ir

Iridium

78

2.28

Pt

Platinum

79

2.54

Au

Gold

80

2.00

Hg

Mercury

81

1.62

Tl

Thallium

82

2.33

Pb

Lead

83

2.02

Bi

Bismuth

84

2.00

Po

Polonium

85

2.20

At

Astatine

87

0.00

Fr

Francium

88

0.90

Ra

Radium

104

Rf

Rutherfordium

105

Db

Dubnium

106

Sg

Seaborgium

107

Bh

Bohrium

108

Hs

Hassium

109

Mt

Meitnerium

110

Ds

Darmstadtium

111

Rg

Roentgenium

112

Cn

Copemicium

113

Nh

Nihonium

114

Fi

Flerovium

115

Mc

Moscovium

116

Lv

Livermorium

117

Ts

Tennessine

118

Og

Oganesson