SL	Z	Name	Symbol	SymbolR	Mass	Abundance
1	3	Lithium	Li6	6Li	6.015	7.59
2	3	Lithium	Li7	7Li	7.016	92.41
3	4	Beryllium	Be9	9Be	9.012	100
4	5	Boron	B10	10B	10.013	19.9
5	5	Boron	B11	11B	11.009	80.1
6	6	Carbon	C12	12C	12.000	98.93
7	6	Carbon	C13	13C	13.003	1.07
8	7	Nitrogen	N14	14N	14.003	99.632
9	7	Nitrogen	N15	15N	15.000	0.368
10	8	Oxygen	O16	16O	15.995	99.757
11	8	Oxygen	O17	17O	16.999	0.038
12	8	Oxygen	O18	18O	17.999	0.205
13	9	Fluorine	F19	19F	18.998	100
14	10	Neon	Ne20	20Ne	19.992	90.48
15	10	Neon	Ne21	21Ne	20.994	0.27
16	10	Neon	Ne22	22Ne	21.991	9.25
17	11	Sodium	Na23	23Na	22.990	100
18	12	Magnesium	Mg24	24Mg	23.985	78.99
19	12	Magnesium	Mg25	25Mg	24.986	10
20	12	Magnesium	Mg26	26Mg	25.983	11.01
21	13	Aluminum	Al27	27Al	26.982	100
22	14	Silicon	Si28	28Si	27.977	92.2297
23	14	Silicon	Si29	29Si	28.976	4.6832
24	14	Silicon	Si30	30Si	29.974	3.0872
25	15	Phosphorus	P31	31P	30.974	100
26	16	Sulphur	S32	32S	31.972	94.93
27	16	Sulphur	S33	33S	32.971	0.76
28	16	Sulphur	S34	34S	33.968	4.29
29	16	Sulphur	S36	36S	35.967	0.02
30	17	Chlorine	Cl35	35Cl	34.969	75.78
31	17	Chlorine	Cl37	37Cl	36.966	24.22
32	18	Argon	Ar36	36Ar	35.968	0.3365
33	18	Argon	Ar38	38Ar	37.963	0.0632
34	18	Argon	Ar40	40Ar	39.962	99.6003
35	19	Potassium	K39	39K	38.964	93.2581
36	19	Potassium	K40	40K	39.964	0.0117
37	19	Potassium	K41	41K	40.962	6.7302
38	20	Calcium	Ca40	40Ca	39.963	96.941
39	20	Calcium	Ca42	42Ca	41.959	0.647
40	20	Calcium	Ca43	43Ca	42.959	0.135
41	20	Calcium	Ca44	44Ca	43.955	2.086
42	20	Calcium	Ca46	46Ca	45.954	0.004
43	20	Calcium	Ca48	48Ca	47.953	0.187
44	21	Scandium	Sc45	45Sc	44.956	100
45	22	Titanium	Ti46	46Ti	45.953	8.25
46	22	Titanium	Ti47	47Ti	46.952	7.44
47	22	Titanium	Ti48	48Ti	47.948	73.72
48	22	Titanium	Ti49	49Ti	48.948	5.41
49	22	Titanium	Ti50	50Ti	49.945	5.18
50	23	Vanadium	V50	50V	49.947	0.25
51	23	Vanadium	V51	51V	50.944	99.75
52	24	Chromium	Cr50	50Cr	49.946	4.345
53	24	Chromium	Cr52	52Cr	51.941	83.789
54	24	Chromium	Cr53	53Cr	52.941	9.501
55	24	Chromium	Cr54	54Cr	53.939	2.365
56	25	Manganese	Mn55	55Mn	54.938	100
57	26	Iron	Fe54	54Fe	53.940	5.845
58	26	Iron	Fe56	56Fe	55.935	91.754
59	26	Iron	Fe57	57Fe	56.935	2.119
60	26	Iron	Fe58	58Fe	57.933	0.282
61	27	Cobalt	Co59	59Co	58.933	100
62	28	Nickel	Ni58	58Ni	57.935	68.0769
63	28	Nickel	Ni60	60Ni	59.931	26.2231
64	28	Nickel	Ni61	61Ni	60.931	1.1399
65	28	Nickel	Ni62	62Ni	61.928	3.6345
66	28	Nickel	Ni64	64Ni	63.928	0.9256
67	29	Copper	Cu63	63Cu	62.930	69.17
68	29	Copper	Cu65	65Cu	64.928	30.83
69	30	Zinc	Zn64	64Zn	63.929	48.63
70	30	Zinc	Zn66	66Zn	65.926	27.9
71	30	Zinc	Zn67	67Zn	66.927	4.1
72	30	Zinc	Zn68	68Zn	67.925	18.75
73	30	Zinc	Zn70	70Zn	69.925	0.62
74	31	Gallium	Ga69	69Ga	68.926	60.108
75	31	Gallium	Ga71	71Ga	70.925	39.892
76	32	Germanium	Ge70	70Ge	69.924	20.84
77	32	Germanium	Ge72	72Ge	71.922	27.54
78	32	Germanium	Ge73	73Ge	72.923	7.73
79	32	Germanium	Ge74	74Ge	73.921	36.28
80	32	Germanium	Ge76	76Ge	75.921	7.61
81	33	Arsenic	As75	75As	74.922	100
82	34	Selenium	Se74	74Se	73.922	0.89
83	34	Selenium	Se76	76Se	75.919	9.37
84	34	Selenium	Se77	77Se	76.920	7.63
85	34	Selenium	Se78	78Se	77.917	23.77
86	34	Selenium	Se80	80Se	79.917	49.61
87	34	Selenium	Se82	82Se	81.917	8.73
88	35	Bromine	Br79	79Br	78.918	50.69
89	35	Bromine	Br81	81Br	80.916	49.31
90	36	Krypton	Kr78	78Kr	77.920	0.35
91	36	Krypton	Kr80	80Kr	79.916	2.28
92	36	Krypton	Kr82	82Kr	81.913	11.58
93	36	Krypton	Kr83	83Kr	82.914	11.49
94	36	Krypton	Kr84	84Kr	83.912	57
95	36	Krypton	Kr86	86Kr	85.911	17.3
96	37	Rubidium	Rb85	85Rb	84.912	72.17
97	37	Rubidium	Rb87	87Rb	86.909	27.83
98	38	Strontium	Sr84	84Sr	83.913	0.56
99	38	Strontium	Sr86	86Sr	85.909	9.86
100	38	Strontium	Sr87	87Sr	86.909	7
101	38	Strontium	Sr88	88Sr	87.906	82.58
102	39	Yttrium	Y89	89Y	88.906	100
103	40	Zirconium	Zr90	90Zr	89.905	51.45
104	40	Zirconium	Zr91	91Zr	90.906	11.22
105	40	Zirconium	Zr92	92Zr	91.905	17.15
106	40	Zirconium	Zr94	94Zr	93.906	17.38
107	40	Zirconium	Zr96	96Zr	95.908	2.8
108	41	Niobium	Nb93	93Nb	92.906	100
109	42	Molybdenum	Mo100	100Mo	99.907	9.63
110	42	Molybdenum	Mo92	92Mo	91.907	14.84
111	42	Molybdenum	Mo94	94Mo	93.905	9.25
112	42	Molybdenum	Mo95	95Mo	94.906	15.92
113	42	Molybdenum	Mo96	96Mo	95.905	16.68
114	42	Molybdenum	Mo97	97Mo	96.906	9.55
115	42	Molybdenum	Mo98	98Mo	97.905	24.13
116	44	Ruthenium	Ru100	100Ru	99.904	12.6
117	44	Ruthenium	Ru101	101Ru	100.906	17.06
118	44	Ruthenium	Ru102	102Ru	101.904	31.55
119	44	Ruthenium	Ru104	104Ru	103.905	18.62
120	44	Ruthenium	Ru96	96Ru	95.908	5.54
121	44	Ruthenium	Ru98	98Ru	97.905	1.87
122	44	Ruthenium	Ru99	99Ru	98.906	12.76
123	45	Rhodium	Rh103	103Rh	102.906	100
124	46	Palladium	Pd102	102Pd	101.906	1.02
125	46	Palladium	Pd104	104Pd	103.904	11.14
126	46	Palladium	Pd105	105Pd	104.905	22.33
127	46	Palladium	Pd106	106Pd	105.903	27.33
128	46	Palladium	Pd108	108Pd	107.904	26.46
129	46	Palladium	Pd110	110Pd	109.905	11.72
130	47	Silver	Ag107	107Ag	106.905	51.839
131	47	Silver	Ag109	109Ag	108.905	48.161
132	48	Cadmium	Cd106	106Cd	105.906	1.25
133	48	Cadmium	Cd108	108Cd	107.904	0.89
134	48	Cadmium	Cd110	110Cd	109.903	12.49
135	48	Cadmium	Cd111	111Cd	110.904	12.8
136	48	Cadmium	Cd112	112Cd	111.903	24.13
137	48	Cadmium	Cd113	113Cd	112.904	12.22
138	48	Cadmium	Cd114	114Cd	113.903	28.73
139	48	Cadmium	Cd116	116Cd	115.905	7.49
140	49	Indium	In113	113In	112.904	4.29
141	49	Indium	In115	115In	114.904	95.71
142	50	Tin	Sn112	112Sn	111.905	0.97
143	50	Tin	Sn114	114Sn	113.903	0.66
144	50	Tin	Sn115	115Sn	114.903	0.34
145	50	Tin	Sn116	116Sn	115.902	14.54
146	50	Tin	Sn117	117Sn	116.903	7.68
147	50	Tin	Sn118	118Sn	117.902	24.22
148	50	Tin	Sn119	119Sn	118.903	8.59
149	50	Tin	Sn120	120Sn	119.902	32.58
150	50	Tin	Sn122	122Sn	121.903	4.63
151	50	Tin	Sn124	124Sn	123.905	5.79
152	51	Antimony	Sb121	121Sb	120.904	57.21
153	51	Antimony	Sb123	123Sb	122.904	42.79
154	52	Tellurium	Te120	120Te	119.904	0.09
155	52	Tellurium	Te122	122Te	121.903	2.55
156	52	Tellurium	Te123	123Te	122.904	0.89
157	52	Tellurium	Te124	124Te	123.903	4.74
158	52	Tellurium	Te125	125Te	124.904	7.07
159	52	Tellurium	Te126	126Te	125.903	18.84
160	52	Tellurium	Te128	128Te	127.904	31.74
161	52	Tellurium	Te130	130Te	129.906	34.08
162	53	Iodine	I127	127I	126.904	100
163	54	Xenon	Xe124	124Xe	123.906	0.09
164	54	Xenon	Xe126	126Xe	125.904	0.09
165	54	Xenon	Xe128	128Xe	127.904	1.92
166	54	Xenon	Xe129	129Xe	128.905	26.44
167	54	Xenon	Xe130	130Xe	129.904	4.08
168	54	Xenon	Xe131	132Xe	130.905	21.18
169	54	Xenon	Xe132	132Xe	131.904	26.89
170	54	Xenon	Xe134	134Xe	133.905	10.44
171	54	Xenon	Xe136	136Xe	135.907	8.87
172	55	Cesium	Cs133	133Cs	132.905	100
173	56	Barium	Ba130	130Ba	129.906	0.106
174	56	Barium	Ba132	132Ba	131.905	0.101
175	56	Barium	Ba134	134Ba	133.905	2.417
176	56	Barium	Ba135	135Ba	134.906	6.592
177	56	Barium	Ba136	136Ba	135.905	7.854
178	56	Barium	Ba137	137Ba	136.906	11.232
179	56	Barium	Ba138	138Ba	137.905	71.698
180	80	Mercury	Hg196	196Hg	195.966	0.15
181	80	Mercury	Hg198	198Hg	197.967	9.97
182	80	Mercury	Hg199	199Hg	198.968	16.87
183	80	Mercury	Hg200	200Hg	199.968	23.1
184	80	Mercury	Hg201	201Hg	200.970	13.18
185	80	Mercury	Hg202	202Hg	201.971	29.86
186	80	Mercury	Hg204	204Hg	203.973	6.87
187	81	Thallium	Tl203	203Tl	202.972	29.524
188	81	Thallium	Tl205	205Tl	204.974	70.476
189	82	Lead	Pb204	204Pb	203.973	1.4
190	82	Lead	Pb206	206Pb	205.974	24.1
191	82	Lead	Pb207	207Pb	206.976	22.1
192	82	Lead	Pb208	208Pb	207.977	52.4
193	83	Bismuth	Bi209	209Bi	208.980	100
194	92	Uranium	U234	234U	234.041	0.0055
195	92	Uranium	U235	235U	235.044	0.72
196	92	Uranium	U238	238U	238.051	99.2745
197	92	Uranium	U232	232U	232.000	0.00001
198	92	Uranium	U236	236U	236.000	0.00001
199	57	Lanthanum	La139	139La	139.000	100
200	58	Cerium	Ce140	140Ce	140.000	100
201	65	Terbium	Tb159	159Tb	159.000	100
202	71	Lutetium	Lu175	175Lu	175.000	100
203	77	Iridium	Ir193	193Ir	193.000	100
204	78	Platinum	Pt195	195Pt	195.000	100