1H2He3Li4Be5B6C7N8O9F10Ne11Na12Mg13Al14Si15P16S17Cl18Ar19K20Ca21Sc22Ti23V24Cr25Mn26Fe27Co28Ni29Cu30Zn31Ga32Ge33As34Se35Br36Kr37Rb38Sr39Y40Zr41Nb42Mo43Tc44Ru45Rh46Pd47Ag48Cd49In50Sn51Sb52Te53I54Xe55Cs56BaLa*Lanthanides57La58Ce59Pr60Nd61Pm62Sm63Eu64Gd65Tb66Dy67Ho68Er69Tm70Yb71Lu72Hf73Ta74W75Re76Os77Ir78Pt79Au80Hg81Tl82Pb83Bi84Po85At86Rn87Fr88RaAc*Actinides89Ac90Th91Pa92U93Np94Pu95Am96Cm97Bk98Cf99Es100Fm101Md102No103Lr104Rf105Db106Sg107Bh108Hs109Mt110Ds111Rg112Cn113Nh114Fl115Mc116Lv117Ts118Og
Allred-Rochow scale
The scale according to the theory of Albert Allred and Eugene Rochow assumes that electronegativity is proportional to the electrostatic attraction exerted by the nuclear charge on the bonding electrons.
Element | Allred-Rochow scale | ||
---|---|---|---|
1H | Hydrogen | 2.2 | |
2He | Helium | 5.5 | |
3Li | Lithium | 0.97 | |
4Be | Beryllium | 1.47 | |
5B | Boron | 2.01 | |
6C | Carbon | 2.5 | |
7N | Nitrogen | 3.07 | |
8O | Oxygen | 3.5 | |
9F | Fluorine | 4.1 | |
10Ne | Neon | 4.84 | |
11Na | Sodium | 1.01 | |
12Mg | Magnesium | 1.23 | |
13Al | Aluminum | 1.47 | |
14Si | Silicon | 1.74 | |
15P | Phosphorus | 2.06 | |
16S | Sulfur | 2.44 | |
17Cl | Chlorine | 2.83 | |
18Ar | Argon | 3.2 | |
19K | Potassium | 0.91 | |
20Ca | Calcium | 1.04 | |
21Sc | Scandium | 1.2 | |
22Ti | Titanium | 1.32 | |
23V | Vanadium | 1.45 | |
24Cr | Chromium | 1.56 | |
25Mn | Manganese | 1.6 | |
26Fe | Iron | 1.64 | |
27Co | Cobalt | 1.7 | |
28Ni | Nickel | 1.75 | |
29Cu | Copper | 1.75 | |
30Zn | Zinc | 1.66 | |
31Ga | Gallium | 1.82 | |
32Ge | Germanium | 2.02 | |
33As | Arsenic | 2.2 | |
34Se | Selenium | 2.48 | |
35Br | Bromine | 2.74 | |
36Kr | Krypton | 2.94 | |
37Rb | Rubidium | 0.89 | |
38Sr | Strontium | 0.99 | |
39Y | Yttrium | 1.11 | |
40Zr | Zirconium | 1.22 | |
41Nb | Niobium | 1.23 | |
42Mo | Molybdenum | 1.3 | |
43Tc | Technetium | 1.36 | |
44Ru | Ruthenium | 1.42 | |
45Rh | Rhodium | 1.45 | |
46Pd | Palladium | 1.35 | |
47Ag | Silver | 1.42 | |
48Cd | Cadmium | 1.46 | |
49In | Indium | 1.49 | |
50Sn | Tin | 1.72 | |
51Sb | Antimony | 1.82 | |
52Te | Tellurium | 2.01 | |
53I | Iodine | 2.21 | |
54Xe | Xenon | 2.4 | |
55Cs | Caesium | 0.86 | |
56Ba | Barium | 0.97 | |
57La | Lanthanum | 1.08 | |
58Ce | Cerium | 1.08 | |
59Pr | Praseodymium | 1.07 | |
60Nd | Neodymium | 1.07 | |
61Pm | Promethium | 1.07 | |
62Sm | Samarium | 1.07 | |
63Eu | Europium | 1.01 | |
64Gd | Gadolinium | 1.11 | |
65Tb | Terbium | 1.1 | |
66Dy | Dysprosium | 1.1 | |
67Ho | Holmium | 1.1 | |
68Er | Erbium | 1.11 | |
69Tm | Thulium | 1.11 | |
70Yb | Ytterbium | 1.06 | |
71Lu | Lutetium | 1.14 | |
72Hf | Hafnium | 1.23 | |
73Ta | Tantalum | 1.33 | |
74W | Tungsten | 1.4 | |
75Re | Rhenium | 1.46 | |
76Os | Osmium | 1.52 | |
77Ir | Iridium | 1.55 | |
78Pt | Platinum | 1.44 | |
79Au | Gold | 1.42 | |
80Hg | Mercury | 1.44 | |
81Tl | Thallium | 1.44 | |
82Pb | Lead | 1.55 | |
83Bi | Bismuth | 1.67 | |
84Po | Polonium | 1.76 | |
85At | Astatine | 1.9 | |
87Fr | Francium | 0.86 | |
88Ra | Radium | 0.97 | |
89Ac | Actinium | 1 | |
90Th | Thorium | 1.11 | |
91Pa | Protactinium | 1.14 | |
92U | Uranium | 1.22 | |
93Np | Neptunium | 1.22 | |
94Pu | Plutonium | 1.22 | |
95Am | Americium | 1.2 | |
96Cm | Curium | 1.2 | |
97Bk | Berkelium | 1.2 | |
98Cf | Californium | 1.2 | |
99Es | Einsteinium | 1.2 | |
100Fm | Fermium | 1.2 | |
101Md | Mendelevium | 1.2 | |
102No | Nobelium | 1.2 |