Electronegativity scale for all 118 known elements from this table by A. V. Kulsha and T. A. Kolevich.

Link for my own reference: where it perhaps started.

Z Element χ
1 hydrogen 2.20
2 helium 3.20
3 lithium 1.00
4 beryllium 1.50
5 boron 2.00
6 carbon 2.50
7 nitrogen 3.00
8 oxygen 3.50
9 fluorine 4.00
10 neon 4.50
11 sodium 0.90
12 magnesium 1.30
13 aluminium 1.70
14 silicon 1.90
15 phosphorus 2.24
16 sulfur 2.64
17 chlorine 3.06
18 argon 2.94
19 potassium 0.80
20 calcium 1.10
21 scandium 1.33
22 titanium 1.40
23 vanadium 1.48
24 chromium 1.56
25 manganese 1.52
26 iron 1.60
27 cobalt 1.64
28 nickel 1.69
29 copper 1.77
30 zinc 1.71
31 gallium 1.80
32 germanium 1.96
33 arsenic 2.22
34 selenium 2.52
35 bromine 2.86
36 krypton 2.70
37 rubidium 0.77
38 strontium 1.05
39 yttrium 1.28
40 zirconium 1.35
41 niobium 1.44
42 molybdenum 1.53
43 technetium 1.51
44 ruthenium 1.62
45 rhodium 1.68
46 palladium 1.73
47 silver 1.79
48 cadmium 1.66
49 indium 1.74
50 tin 1.86
51 antimony 2.04
52 tellurium 2.28
53 iodine 2.58
54 xenon 2.39
55 caesium 0.70
56 barium 0.92
57 lanthanum 1.11
58 cerium 1.13
59 praseodymium 1.14
60 neodymium 1.15
61 promethium 1.16
62 samarium 1.17
63 europium 1.09
64 gadolinium 1.20
65 terbium 1.21
66 dysprosium 1.23
67 holmium 1.24
68 erbium 1.25
69 thulium 1.26
70 ytterbium 1.19
71 lutetium 1.31
72 hafnium 1.38
73 tantalum 1.46
74 tungsten 1.54
75 rhenium 1.55
76 osmium 1.67
77 iridium 1.75
78 platinum 1.84
79 gold 1.93
80 mercury 1.81
81 thallium 1.78
82 lead 1.82
83 bismuth 1.88
84 polonium 1.98
85 astatine 2.09
86 radon 1.94
87 francium 0.72
88 radium 0.85
89 actinium 0.97
90 thorium 1.01
91 protactinium 1.04
92 uranium 1.06
93 neptunium 1.08
94 plutonium 1.12
95 americium 1.07
96 curium 1.18
97 berkelium 1.22
98 californium 1.27
99 einsteinium 1.32
100 fermium 1.36
101 mendelevium 1.39
102 nobelium 1.37
103 lawrencium 1.29
104 rutherfordium 1.34
105 dubnium 1.41
106 seaborgium 1.49
107 bohrium 1.59
108 hassium 1.72
109 meitnerium 1.83
110 darmstadtium 1.92
111 roentgenium 1.99
112 copernicium 1.91
113 nihonium 1.87
114 flerovium 1.85
115 moscovium 1.57
116 livermorium 1.65
117 tennessine 1.76
118 oganesson 1.61

Or in tabular form, with a pretty colour gradient:

Is IIs IIIf IVf Vf VIf VIIf VIIIf IXf Xf XIf XIIf XIIIf XIVf XVf XVIf IIId IVd Vd VId VIId VIIId IXd Xd XId XIId IIIp IVp Vp VIp VIIp VIIIp
H
2.20
He
3.20
Li
1.00
Be
1.50
B
2.00
C
2.50
N
3.00
O
3.50
F
4.00
Ne
4.50
Na
0.90
Mg
1.30
Al
1.70
Si
1.90
P
2.24
S
2.64
Cl
3.06
Ar
2.94
K
0.80
Ca
1.10
Sc
1.33
Ti
1.40
V
1.48
Cr
1.56
Mn
1.52
Fe
1.60
Co
1.64
Ni
1.69
Cu
1.77
Zn
1.71
Ga
1.80
Ge
1.96
As
2.22
Se
2.52
Br
2.86
Kr
2.70
Rb
0.77
Sr
1.05
Y
1.28
Zr
1.35
Nb
1.44
Mo
1.53
Tc
1.51
Ru
1.62
Rh
1.68
Pd
1.73
Ag
1.79
Cd
1.66
In
1.74
Sn
1.86
Sb
2.04
Te
2.28
I
2.58
Xe
2.39
Cs
0.70
Ba
0.92
La
1.11
Ce
1.13
Pr
1.14
Nd
1.15
Pm
1.16
Sm
1.17
Eu
1.09
Gd
1.20
Tb
1.21
Dy
1.23
Ho
1.24
Er
1.25
Tm
1.26
Yb
1.19
Lu
1.31
Hf
1.38
Ta
1.46
W
1.54
Re
1.55
Os
1.67
Ir
1.75
Pt
1.84
Au
1.93
Hg
1.81
Tl
1.78
Pb
1.82
Bi
1.88
Po
1.98
At
2.09
Rn
1.94
Fr
0.72
Ra
0.85
Ac
0.97
Th
1.01
Pa
1.04
U
1.06
Np
1.08
Pu
1.12
Am
1.07
Cm
1.18
Bk
1.22
Cf
1.27
Es
1.32
Fm
1.36
Md
1.39
No
1.37
Lr
1.29
Rf
1.34
Db
1.41
Sg
1.49
Bh
1.59
Hs
1.72
Mt
1.83
Ds
1.92
Rg
1.99
Cn
1.91
Nh
1.87
Fl
1.85
Mc
1.57
Lv
1.65
Ts
1.76
Og
1.61