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
(−50)
2 Li
60
Be
(−50)

B
27
C
122
N
−0.07
O
141
F
328
Ne
(−120)
3 Na
53
Mg
(−40)

Al
42
Si
134
P
72
S
200
Cl
349
Ar
(−96)
4 K
48
Ca
2
Sc
18
Ti
8
V
51
Cr
65
Mn
(−50)
Fe
15
Co
64
Ni
112
Cu
119
Zn
(−60)
Ga
41
Ge
119
As
78
Se
195
Br
325
Kr
(−60)
5 Rb
47
Sr
5
Y
30
Zr
41
Nb
89
Mo
72
Tc
(53)
Ru
(101)
Rh
110
Pd
54
Ag
126
Cd
(−70)
In
29
Sn
107
Sb
101
Te
190
I
295
Xe
(−80)
6 Cs
46
Ba
14
1 asterisk Hf
(2)
Ta
31
W
79
Re
(14)
Os
(106)
Ir
151
Pt
205
Au
223
Hg
(−50)
Tl
36
Pb
34
Bi
91
Po
(183)
At
(222)
Rn
(−70)
7 Fr
(47)
Ra
(10)
2 asterisks Rf
 
Db
 
Sg
 
Bh
 
Hs
 
Mt
 
Ds
 
Rg
(151)
Cn
(<0)
Nh
(67)
Fl
(<0)
Mc
(35)
Lv
(75)
Ts
(212)
Og
(5)

1 asterisk La
45
Ce
63
Pr
93
Nd
(>185)
Pm
(12)
Sm
(16)
Eu
83
Gd
(13)
Tb
(>112)
Dy
(>34)
Ho
(33)
Er
(30)
Tm
99
Yb
(−2)
Lu
33
2 asterisks Ac
(34)
Th
(113)
Pa
(53)
U
(51)
Np
(46)
Pu
(−48)
Am
(10)
Cm
(27)
Bk
(−165)
Cf
(−97)
Es
(−29)
Fm
(34)
Md
(94)
No
(−223)
Lr
(−30)
Legend
Units are kJ/mol (rounded)
For the equivalent in eV, see: Electron affinity (data page)
Parentheses denote predictions
Primordial From decay Synthetic Border shows natural occurrence of the element
Background color shows subcategory in the metal–metalloid–nonmetal trend:
धातु कमधातु अधातु Unknown
chemical
properties
एल्कली धातु एल्कलाइन मटिया धातु लैं­थेनाइड एक्टिनाइड बिचबिचवा धातु बिचबिचवा-​पार धातु बहुपरमाणु अधातु दूपरमाणु अधातु नोबल गैस
टेम्पलेट बिबरनलेख[बनाईं]