Template:Periodic table (electron affinities)

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		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		Rf	Db	Sg	Bh	Hs	Mt	Ds	Rg	Cn	Uut	Fl	Uup	Lv	Uus (173)	Uuo (5)
			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
			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