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Periodic Table with Electronegativities
1A | 2A | 3B | 4B | 5B | 6B | 7B | 8B | 1B | 2B | 3A | 4A | 5A | 6A | 7A | 8A | ||
1 H 2.1 |
2 He |
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3 Li 1.0 |
4 Be 1.5 |
5 B 2.0 |
6 C 2.5 |
7 N 3.0 |
8 O 3.5 |
9 F 4.0 |
10 Ne |
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11 Na 0.9 |
12 Mg 1.2 |
13 Al 1.5 |
14 Si 1.8 |
15 P 2.1 |
16 S 2.5 |
17 Cl 3.0 |
18 Ar |
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19 K 0.8 |
20 Ca 1.0 |
21 Sc 1.3 |
22 Ti 1.5 |
23 V 1.6 |
24 Cr 1.6 |
25 Mn 1.5 |
26 Fe 1.8 |
27 Co 1.9 |
28 Ni 1.9 |
29 Cu 1.9 |
30 Zn 1.6 |
31 Ga 1.6 |
32 Ge 1.8 |
33 As 2.0 |
34 Se 2.4 |
35 Br 2.8 |
36 Kr 3.0 |
37 Rb 0.8 |
38 Sr 1.0 |
39 Y 1.2 |
40 Zr 1.4 |
41 Nb 1.6 |
42 Mo 1.8 |
43 Tc 1.9 |
44 Ru 2.2 |
45 Rh 2.2 |
46 Pd 2.2 |
47 Ag 1.9 |
48 Cd 1.7 |
49 In 1.7 |
50 Sn 1.8 |
51 Sb 1.9 |
52 Te 2.1 |
53 I 2.5 |
54 Xe 2.6 |
55 Cs 0.7 |
56 Ba 0.9 |
57 La 1.1 |
72 Hf 1.3 |
73 Ta 1.5 |
74 W 1.7 |
75 Re 1.9 |
76 Os 2.2 |
77 Ir 2.2 |
78 Pt 2.2 |
79 Au 2.4 |
80 Hg 1.9 |
81 Tl 1.8 |
82 Pb 1.9 |
83 Bi 1.9 |
84 Po 2.0 |
85 At 2.2 |
86 Rn 2.4 |
87 Fr 0.7 |
88 Ra 0.9 |
89 Ac 1.1 |
104 Rf |
105 Db |
106 Sg |
107 Bh |
108 Hs |
109 Mt |
110 Ds |
111 Uuu |
112 Cn |
113 Uut |
114 Fi |
115 Uup |
116 Lv |
117 Uus |
118 Uuo |
58 Ce 1.1 |
59 Pr 1.1 |
60 Nd 1.1 |
61 Pm 1.2 |
62 Sm 1.2 |
63 Eu 1.1 |
64 Gd 1.2 |
65 Tb 1.2 |
66 Dy 1.2 |
67 Ho 1.2 |
68 Er 1.2 |
69 Tm 1.2 |
70 Yb 1.2 |
71 Lu 1.3 |
90 Th 1.3 |
91 Pa 1.5 |
92 U 1.7 |
93 Np 1.3 |
94 Pu 1.3 |
95 Am 1.3 |
96 Cm 1.3 |
97 Bk 1.3 |
98 Cf 1.3 |
99 Es 1.3 |
100 Fm 1.3 |
101 Md 1.3 |
102 No 1.5 |
103 Lr |
Keep in mind that electronegativities are approximate measures of the relative tendencies of these elements to attract electrons to themselves in a chemical bond. The greater an atom's electronegativity, the greater its ability to attract electrons to itself.