Ionisierungsenergie

Ionisierungsenergie ist die benötigte Energie, um ein in der Gasphase befindliches Atom zu ionisieren. Ionisierung führt zu einer positiv elektrischen Ladung. Alle Angaben erfolgen für einzelne Atome in Elektronenvolt (eV).

Element		Ionisierungsenergie [eV]
₁H	Wasserstoff	13,598
₂He	Helium	24,587	54,417	24,587	54,417
₃Li	Lithium	5,3917	75,64	122,45
₄Be	Beryllium	9,3226	18,211	153,89	217,71
₅B	Bor	8,298	25,154	37,93	259,37	340,22
₆C	Kohlenstoff	11,26	24,383	47,887	64,493	392,09
₇N	Stickstoff	14,534	29,601	47,445	77,473	97,89
₈O	Sauerstoff	13,618	35,121	54,935	77,413	113,89	138,11
₉F	Fluor	17,422	34,97	62,707	87,175	114,24	157,16	185,18
₁₀Ne	Neon	21,564	40,962	63,423	97,19	126,24
₁₁Na	Natrium	5,139	47,286	71,62	98,936	138,4
₁₂Mg	Magnesium	7,6462	15,035	80,143	109,26	141,33
₁₃Al	Aluminium	5,9857	18,828	28,447	119,99	153,82
₁₄Si	Silicium	8,1516	16,345	33,493	45,141	166,76
₁₅P	Phosphor	10,486	19,769	30,202	51,443	65,025
₁₆S	Schwefel	10,36	23,337	34,86	47,222	72,594	88,052
₁₇Cl	Chlor	12,967	23,813	39,8	53,24	67,68	96,94	114,2
₁₈Ar	Argon	15,759	27,629	40,735	59,58	74,84
₁₉K	Kalium	4,3406	31,625	45,803	60,917	82,66
₂₀Ca	Calcium	6,1131	11,871	50,913	67,273	84,34
₂₁Sc	Scandium	6,5614	12,799	24,756	73,489	91,95
₂₂Ti	Titan	6,8281	13,575	27,491	43,267	99,299
₂₃V	Vanadium	6,7461	14,634	29,311	46,709	65,281
₂₄Cr	Chrom	6,7665	16,486	30,959	49,16	69,46
₂₅Mn	Mangan	7,434	15,639	33,668	51,21	72,41
₂₆Fe	Eisen	7,9024	16,199	30,651	54,91	75
₂₇Co	Cobalt	7,881	17,084	33,5	51,27	79,5
₂₈Ni	Nickel	7,6398	18,168	35,187	54,92	76,06
₂₉Cu	Kupfer	7,7263	20,292	36,841	57,38	79,8
₃₀Zn	Zink	9,3941	17,964	39,723	59,573	82,6
₃₁Ga	Gallium	5,9993	20,515	30,725	63,241	86,01
₃₂Ge	Germanium	7,8994	15,934	34,057	45,715	90,5
₃₃As	Arsen	9,7885	18,589	28,349	50,15	62,77
₃₄Se	Selen	9,7523	21,196	31,697	42,947	68,3	81,83
₃₅Br	Brom	11,813	21,591	34,871	47,782	59,595	87,39	103,03
₃₆Kr	Krypton	13,999	24,359	35,838	50,85	64,69
₃₇Rb	Rubidium	4,1771	27,289	39,247	52,2	68,44
₃₈Sr	Strontium	5,6948	11,03	42,883	56,28	70,7
₃₉Y	Yttrium	6,2172	12,223	20,524	60,607	75,35
₄₀Zr	Zirconium	6,6341	13,13	23,17	34,418	80,348
₄₁Nb	Niob	6,7588	14,32	25,04	37,611	50,572
₄₂Mo	Molybdän	7,0924	16,16	27,13	40,33	54,417
₄₃Tc	Technetium	7,1193	15,26	29,55	41	57
₄₄Ru	Ruthenium	7,3605	16,76	28,47	45	59
₄₅Rh	Rhodium	7,4589	18,08	31,06	42	63
₄₆Pd	Palladium	8,3368	19,43	32,93	46	61
₄₇Ag	Silber	7,5762	21,484	34,8	49	65
₄₈Cd	Cadmium	8,9938	16,908	37,468	51	67,9
₄₉In	Indium	5,7863	18,87	28,044	55,45	69,3
₅₀Sn	Zinn	7,3439	14,633	30,506	40,74	77,03
₅₁Sb	Antimon	8,6083	16,626	25,323	43,804	55
₅₂Te	Tellur	9,0098	18,6	27,84	37,415	59,3	69,1
₅₃I	Iod	10,451	19,131	29,57	40,357	51,52	74,4	87,61
₅₄Xe	Xenon	12,129	20,975	31,05	42,2	54,1
₅₅Cs	Caesium	3,8939	23,157	33,195	43	56
₅₆Ba	Barium	5,2116	10,003	35,843	47	58
₅₇La	Lanthan	5,5769	11,184	19,177	49,95	61,6
₅₈Ce	Cer	5,5386	10,956	20,197	36,906	65,55
₅₉Pr	Praseodym	5,4702	10,631	21,623	39,981	57,53
₆₀Nd	Neodym	5,525	10,783	22,09	40,6	60
₆₁Pm	Promethium	5,5818	10,938	22,44	41,17	61,7
₆₂Sm	Samarium	5,6437	11,078	23,55	41,64	62,7
₆₃Eu	Europium	5,6703	11,24	24,84	42,94	63,2
₆₄Gd	Gadolinium	6,1498	12,076	20,54	44,44	64,8
₆₅Tb	Terbium	5,8638	11,513	21,82	39,33	66,5
₆₆Dy	Dysprosium	5,939	11,647	22,89	41,23	62,1
₆₇Ho	Holmium	6,0215	11,781	22,79	42,52	63,9
₆₈Er	Erbium	6,1077	11,916	22,7	42,42	65,1
₆₉Tm	Thulium	6,1843	12,065	23,66	42,41	65,4
₇₀Yb	Ytterbium	6,2541	12,179	25,053	43,61	65,6
₇₁Lu	Lutetium	5,4258	14,13	20,959	45,249	66,8
₇₂Hf	Hafnium	6,825	114,61	22,55	33,37	68,37
₇₃Ta	Tantal	7,5495	16,2	32,1	35	48,272
₇₄W	Wolfram	7,864	16,37	26	38,2	51,6
₇₅Re	Rhenium	7,8335	16,6	27	39,1	51,9
₇₆Os	Osmium	8,4382	17	25	41	55
₇₇Ir	Iridium	8,967	17	28	40	57
₇₈Pt	Platin	8,9588	18,56	29	43	56
₇₉Au	Gold	9,2255	20,203	30	45	60
₈₀Hg	Quecksilber	10,437	18,756	34,49	48,55	61,2
₈₁Tl	Thallium	6,1082	20,428	29,852	51,14	62,6
₈₂Pb	Blei	7,4166	15,032	31,937	42,332	68,8
₈₃Bi	Bismut	7,2855	16,703	25,563	45,37	54,856
₈₄Po	Polonium	8,418	19,3	27,3	36	57	69,1
₈₅At	Astat	9,3175	17,88	26,58	39,65	50,39	72	85,1
₈₆Rn	Radon	10,748	21,4	29,4	36,9	52,9
₈₇Fr	Francium	4,0727	22,4	33,5	39,1	50
₈₈Ra	Radium	5,2784	10,147	31	41	52,9
₈₉Ac	Actinium	5,3802	11,75	17,431	44,8	55
₉₀Th	Thorium	6,3067	12,1	18,32	28,648	58
₉₁Pa	Protactinium	5,89	11,9	18,6	30,9	44,3
₉₂U	Uran	6,194	11,6	19,8	36,7	46
₉₃Np	Neptunium	6,2655	11,5	19,7	33,8	48
₉₄Pu	Plutonium	6,0257	11,5	21,1	35	49
₉₅Am	Americium	5,9738	11,7	21,7	36,8	50
₉₆Cm	Curium	5,9914	12,4	20,1	37,7	51
₉₇Bk	Berkelium	6,1978	11,9	21,6	36	56
₉₈Cf	Californium	6,2816	12	22,4	37,7	51,9
₉₉Es	Einsteinium	6,3675	12,2	22,7	38,8	54,1
₁₀₀Fm	Fermium	(6,5)	(12,4)	(23,2)	(39,3)	(55)
₁₀₁Md	Mendelevium	(6,58)	(12,4)	(24,3)	(40)	(54,1)
₁₀₂No	Nobelium	(6,6262)	(12,93)	(25,8)	(41,5)	(60)
₁₀₃Lr	Lawrencium	(4,96)	(14,54)	(21,8)	(43,6)	(56)
₁₀₄Rf	Rutherfordium	(6,02)	(14,35)	(23,84)	(31,87)	(64)
₁₀₅Db	Dubnium	(6,8)	(14)	(23,1)	(33)	(43)
₁₀₆Sg	Seaborgium	(7,8)	(17,1)	(25,8)	(35,5)	(47,2)
₁₀₇Bh	Bohrium	(7,7)	(17,5)	(26,7)	(37,3)	(49)
₁₀₈Hs	Hassium	(7,6)	(18,2)	(29,3)	(37,7)	(51,2)
₁₀₉Mt	Meitnerium	(8,3)
₁₁₀Ds	Darmstadtium	(9,9)
₁₁₁Rg	Roentgenium	(10,6)
₁₁₂Cn	Copernicium	(12)
₁₁₃Nh	Nihonium	(7,31)
₁₁₄Fl	Flerovium	(8,54)
₁₁₅Mc	Moscovium	(5,57)
₁₁₆Lv	Livermorium	(7,5)
₁₁₇Ts	Tenness	(7,7)
₁₁₈Og	Oganesson	(8,7)