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Electronegativity chart

The overall tendency of an element to attract the shared pair of electrons more towards itself is known as electronegativity. Electronegativity values are essential for two reasons.

1. To predict the type of bond formation taking place in a molecule.
The electronegativity difference between two atoms determines the type of bond formed. An ionic bond forms if the electronegativity difference is greater than 1.7. On the other hand, a covalent bond forms if the electronegativity difference lies between 0.4 and 1.7.

2. To predict the polarity of the molecule
Suppose the net electronegativity difference is 0, a nonpolar bond forms. On the other hand, if the electronegativity difference is greater than 0, ionic bond formation takes place.

The electronegativity chart explains how an atom attracts electron pairs towards itself. The electronegativity values range from 0 to 4 and can be easily determined by looking at the electronegativity chart itself.

Electronegativity chart

In the electronegativity chart. All elements are arranged based on their electronegativity values. The elements may also be placed in a similar order as the periodic table. However, the first method makes it easy and useful to review the electronegativity value of each element.

The electronegativity chart is mentioned below. Here, we have arranged the elements with the highest electronegativity value at the top and vice versa. A few elements like inert gases do not have electronegativity. Such elements are placed at the bottom of the electronegativity chart.

electronegativity. Such elements are placed at the bottom of the electronegativity chart.

Atomic number of the element

Symbol of the given element

Name of the element

Electronegativity value

9

F

Fluorine

3.98

8

O

Oxygen

3.44

17

Cl

Chlorine

3.14

7

N

Nitrogen

3.04

36

Kr

Krypton

2.96

55

Cs

Cesium

2.66

56

Ba

Barium

2.6

16

S

Sulfur

2.58

34

Se

Selenium

2.55

6

C

Carbon

2.55

81

Tl

Thallium

2.54

76

Os

Osmium

2.36

84

Po

Polonium

2.33

80

Hg

Mercury

2.28

46

Pd

Palladium

2.28

87

Fr

Francium

2.2

79

Au

Gold

2.2

78

Pt

Platinum

2.2

47

Ag

Silver

2.2

45

Rh

Rhodium

2.2

1

H

Hydrogen

2.2

15

P

Phosphorus

2.19

33

As

Arsenic

2.18

43

Tc

Technetium

2.16

54

Xe

Xenon

2.1

53

I

Iodine

2.05

5

B

Boron

2.04

85

At

Astatine

2.02

31

Ga

Gallium

2.01

86

Rn

Radon

2

82

Pb

Lead

2

51

Sb

Antimony

1.96

48

Cd

Cadmium

1.93

27

Co

Cobalt

1.91

77

Ir

Iridium

1.9

44

Ru

Ruthenium

1.9

28

Ni

Nickel

1.9

14

Si

Silicon

1.9

26

Fe

Iron

1.88

25

Mn

Manganese

1.83

30

Zn

Zinc

1.81

50

Sn

Tin

1.78

49

In

Indium

1.69

23

V

Vanadium

1.66

29

Cu

Copper

1.65

22

Ti

Titanium

1.63

83

Bi

Bismuth

1.62

13

Al

Aluminum

1.61

42

Mo

Molybdenum

1.6

4

Be

Beryllium

1.57

24

Cr

Chromium

1.55

21

Sc

Scandium

1.54

93

Np

Neptunium

1.5

75

Re

Rhenium

1.5

94

Pu

Plutonium

1.38

95

Am

Americium

1.36

20

Ca

Calcium

1.36

41

Nb

Niobium

1.33

12

Mg

Magnesium

1.31

105

Db

Dubnium

1.3

104

Rf

Rutherfordium

1.3

103

Lr

Lawrencium

1.3

102

No

Nobelium

1.3

101

Md

Mendelevium

1.3

100

Fm

Fermium

1.3

99

Es

Einsteinium

1.3

98

Cf

Californium

1.3

97

Bk

Berkelium

1.3

92

U

Uranium

1.3

74

W

Tungsten

1.3

96

Cm

Curium

1.28

73

Ta

Tantalum

1.27

71

Lu

Lutetium

1.25

70

Yb

Ytterbium

1.24

69

Tm

Thulium

1.23

68

Er

Erbium

1.22

40

Zr

Zirconium

1.22

66

Dy

Dysprosium

1.2

64

Gd

Gadolinium

1.17

62

Sm

Samarium

1.14

61

Pm

Promethium

1.13

60

Nd

Neodymium

1.12

91

Pa

Protactinium

1.1

59

Pr

Praseodymium

1.1

19

K

Potassium

1

3

Li

Lithium

0.98

39

Y

Yttrium

0.95

11

Na

Sodium

0.93

90

Th

Thorium

0.89

58

Ce

Cerium

0.89

38

Sr

Strontium

0.82

19

K

Potassium

0.82

57

La

Lanthanum

0.79

89

Ac

Actinium

0.7

2

He

Helium

No information available

10

Ne

Neon

No information available

18

Ar

Argon

No information available

37

Rb

Rubidium

No information available

63

Eu

Europium

No information available

65

Tb

Terbium

No information available

67

Ho

Holmium

No information available

72

Hf

Hafnium

No information available

88

Ra

Radium

No information available

106

Sg

Seaborgium

No information available

107

Bh

Bohrium

No information available

108

Hs

Hassium

No information available

109

Mt

Meitnerium

No information available

110

Ds

Darmstadtium

No information available

111

Rg

Roentgenium

No information available

112

Uub

Ununbium

No information available

113

Uut

Ununtrium

No information available

114

Uuq

Ununquadium

No information available

115

Uup

Ununpentium

No information available

116

Uuh

Ununhexium

No information available

117

Uus

Ununseptium

No information available

118

Uuo

Ununoctium

No information available

 

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