Template:Periodic table (electron affinities)

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Electron affinities in the periodic table
Group → 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
↓ Period
1 H
73

He
−1894
2 Li
60
Be
−231

B
27
C
122
N
−134
O
141
F
328
Ne
*
3 Na
53
Mg
*

Al
42
Si
134
P
72
S
200
Cl
349
Ar
−1106
4 K
48
Ca
2
Sc
18
Ti
8
V
51
Cr
65
Mn
(−96)
Fe
15
Co
64
Ni
112
Cu
119
Zn
*
Ga
41
Ge
119
As
79
Se
195
Br
324
Kr
*
5 Rb
47
Sr
5
Y
30
Zr
41
Nb
86
Mo
72
Tc
*
Ru
101
Rh
110
Pd
54
Ag
126
Cd
*
In
39
Sn
107
Sb
101
Te
190
I
295
Xe
(−5)
6 Cs
46
Ba
14
1 asterisk Hf
(11)
Ta
31
W
79
Re
14
Os
104
Ir
150
Pt
205
Au
223
Hg
*
Tl
36
Pb
35
Bi
91
Po
(127)
At
(269)
Rn
*
7 Fr
(47)
Ra
 
2 asterisks Rf
 
Db
 
Sg
 
Bh
 
Hs
 
Mt
 
Ds
 
Rg
 
Cn
 
Uut
 
Fl
 
Uup
 
Lv
 
Uus
(173)
Uuo
(5)

1 asterisk La
45
Ce
55
Pr
93
Nd
(16)
Pm
(12)
Sm
(16)
Eu
11
Gd
(13)
Tb
(42)
Dy
(34)
Ho
(33)
Er
(30)
Tm
99
Yb
0
Lu
33
2 asterisks Ac
 
Th
 
Pa
 
U
 
Np
 
Pu
 
Am
 
Cm
 
Bk
 
Cf
 
Es
 
Fm
 
Md
 
No
 
Lr
 
Legend
The number mentioned is Electron affinity in kJ/mol (rounded)
For the equivalent value in eV, see: Electron affinity (data page)
* Denotes elements that are expected to have negative or near-zero electron affinities on quantum mechanical grounds
Parentheses denote predictions
Primordial From decay Synthetic Border shows natural occurrence of the element
Background color shows subcategory in the metal–metalloid–nonmetal trend:
Metal Metalloid Nonmetal Unknown
chemical
properties
Alkali metal Alkaline earth metal Lan­thanide Actinide Transition metal Post-​transition metal Polyatomic nonmetal Diatomic nonmetal Noble gas
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