1H2He3Li4Be5B6C7N8O9F10Ne11Na12Mg13Al14Si15P16S17Cl18Ar19K20Ca21Sc22Ti23V24Cr25Mn26Fe27Co28Ni29Cu30Zn31Ga32Ge33As34Se35Br36Kr37Rb38Sr39Y40Zr41Nb42Mo43Tc44Ru45Rh46Pd47Ag48Cd49In50Sn51Sb52Te53I54Xe55Cs56BaLa*Lanthanides57La58Ce59Pr60Nd61Pm62Sm63Eu64Gd65Tb66Dy67Ho68Er69Tm70Yb71Lu72Hf73Ta74W75Re76Os77Ir78Pt79Au80Hg81Tl82Pb83Bi84Po85At86Rn87Fr88RaAc*Actinides89Ac90Th91Pa92U93Np94Pu95Am96Cm97Bk98Cf99Es100Fm101Md102No103Lr104Rf105Db106Sg107Bh108Hs109Mt110Ds111Rg112Cn113Nh114Fl115Mc116Lv117Ts118Og
HomeScalesMulliken scale

Mulliken scale

Robert S. Mulliken calculates the electronegativity of the Mulliken scale named after him as the average of the ionization energy and the electron affinity.

ElementMulliken scale
1HHydrogen2.25
2HeHelium3.49
3LiLithium0.97
4BeBeryllium1.54
5BBoron2.04
6CCarbon2.48
7NNitrogen2.9
8OOxygen3.41
9FFluorine3.91
10NeNeon3.98
11NaSodium0.91
12MgMagnesium1.37
13AlAluminum1.83
14SiSilicon2.28
15PPhosphorus2.3
16SSulfur2.69
17ClChlorine3.1
18ArArgon3.19
19KPotassium0.73
20CaCalcium1.08
29CuCopper1.49
30ZnZinc1.65
31GaGallium2.01
32GeGermanium2.33
33AsArsenic2.26
34SeSelenium2.6
35BrBromine2.95
36KrKrypton3
37RbRubidium0.69
38SrStrontium1
47AgSilver1.47
48CdCadmium1.53
49InIndium1.76
50SnTin2.21
51SbAntimony2.12
52TeTellurium2.41
53IIodine2.74
54XeXenon2.73
55CsCaesium0.62
56BaBarium0.88
79AuGold1.87
80HgMercury1.81
81TlThallium1.96
82PbLead2.41
83BiBismuth2.15
84PoPolonium2.48
85AtAstatine2.85
86RnRadon2.59
87FrFrancium0.68
88RaRadium0.92