Element

Oxidation State

Orbital or Hybrid

Mulliken-Jaffe Electronegativity

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Aluminum

3

hybrid: sp2

1.83

hybrid: sp3

1.71

1

orbital: p

0.91

Antimony

hybrid: sp3

2.22

hybrid: 20% s

2.12

orbital: p

1.67

Argon

hybrid: sp3

3.49

hybrid: 12.5% s

3.19

orbital: p

2.86

Arsenic

3

hybrid: sp3

2.38

hybrid: 20% s

2.26

orbital: p

1.78

Astatine

hybrid: 14.3% s

2.85

orbital: p

2.55

Barium

hybrid: sp

0.88

Beryllium

hybrid: sp

1.54

Bismuth

hybrid: 20% s

2.15

Boron

hybrid: sp2

2.04

hybrid: sp3

1.90

Bromine

hybrid: 14.3% s

2.95

orbital: p

2.60

Cadmium

2

hybrid: sp

1.53

Calcium

hybrid: sp

1.08

Carbon

hybrid: sp

2.99

hybrid: sp2

2.66

hybrid: sp3

2.48

Cesium

orbital: s

0.62

Chlorine

hybrid: 14.3% s

3.10

orbital: p

2.76

Copper

1

orbital: s

1.49

Fluorine

hybrid: sp3

4.30

hybrid: 14.3% s

3.91

orbital: p

3.35

Francium

orbital: s

0.68

Gallium

3

hybrid: sp2

2.01

1

orbital: p

0.87

Germanium

4

hybrid: sp3

2.33

2

orbital: p

1.30

Gold

orbital: s

1.87

Helium

orbital: s

3.49

Hydrogen

orbital: s

2.25

Indium

3

hybrid: sp2

1.76

1

orbital: p

0.82

Iodine

hybrid: sp3

2.95

hybrid: 14.3% s

2.74

orbital: p

2.45

Krypton

hybrid: sp3

3.31

hybrid: 12.5% s

3.00

orbital: p

2.66

Lead

4

hybrid: sp3

2.41

2

orbital: p

1.16

Lithium

orbital: s

0.97

Magnesium

hybrid: sp

1.37

Mercury

hybrid: sp

1.81

Neon

hybrid: sp3

4.49

hybrid: 12.5% s

3.98

orbital: p

3.41

Nitrogen

hybrid: sp

3.68

hybrid: sp2

3.26

hybrid: sp3

3.04

hybrid: 20% s

2.90

orbital: p

2.28

Oxygen

hybrid: sp2

3.94

hybrid: sp3

3.68

hybrid: 16.7% s

3.41

orbital: p

2.82

Phosphorus

hybrid: sp3

2.41

hybrid: 20% s

2.30

orbital: p

1.84

Polonium

hybrid: 16.7% s

2.48

Potassium

orbital: s

0.73

Radium

hybrid: sp

0.92

Radon

orbital: p

2.12

Rubidium

orbital: s

0.69

Selenium

hybrid: sp3

2.79

hybrid: 16.7% s

2.60

orbital: p

2.20

Silicon

hybrid: sp3

2.28

Silver

1

orbital: s

1.47

Sodium

orbital: s

0.91

Strontium

hybrid: sp

1.00

Sulfur

hybrid: sp3

2.86

hybrid: 16.7% s

2.69

orbital: p

2.31

Tellurium

hybrid: sp3

2.57

hybrid: 16.7% s

2.41

orbital: p

2.06

Thallium

3

hybrid: sp2

1.96

1

orbital: p

0.76

Tin

4

hybrid: sp3

2.21

2

hybrid: 30% s

1.85

Xenon

hybrid: sp3

3.01

hybrid: 12.5% s

2.73

orbital: p

2.44

Zinc

hybrid: sp

1.65

References    (Click the button next to a value above to see complete citation information for that entry)

Allen, Leland C., and James E. Huheey. "The Definition of Electronegativity and the Chemistry of the Noble Gases." Journal of Inorganic and Nuclear Chemistry, volume 42, number 10, 1980, pp. 1523–1524. doi:10.1016/0022-1902(80)80132-1

Bratsch, Steven G. "Revised Mulliken Electronegativities: I. Calculation and Conversion to Pauling Units." Journal of Chemical Education, volume 65, number 1, 1988, pp. 34–41. doi:10.1021/ed065p34

Huheey, James E., Ellen A. Keiter, and Richard L Keiter. Inorganic Chemistry: Principles of Structure and Reactivity, 4th edition. New York: HarperCollins College Publishers, 1993.