List of isotopes

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A table of chemical elements ordered by atomic number and color coded according to type of element. Given is each element's name, element symbol, atomic mass (or most stable isotope), and in some cases a list of isotopes with their own article.

The name of the element links to an article about isotopes of that element, and the symbol links to the main article about the element.

Template:Element color legend

Z	Name	Sym	Mass (g/mol)	Selected isotopes
1	Hydrogen	H	0,000,001 1.00794(7)[1] [1] [1]	Hydrogen-1, Deuterium (Hydrogen-2), Tritium (Hydrogen-3), Hydrogen-4, Hydrogen-5
2	Helium	He	0,000,004 4.002602(2)[1] [1]	Diproton (hypothetical Helium-2 nucleus), Helium-3, Helium-4
3	Lithium	Li	0,000,006 6.941(2)[1] [1] [1] [1]
4	Beryllium	Be	0,000,009 9.012182(3)
5	Boron	B	0,000,010 10.811(7)[1] [1] [1]
6	Carbon	C	0,000,012 12.0107(8)[1] [1]	Carbon-11, Carbon-12, Carbon-13, Carbon-14
7	Nitrogen	N	0,000,014 14.0067(2)[1] [1]	Nitrogen-13, Nitrogen-14, Nitrogen-15
8	Oxygen	O	0,000,015 15.9994(3)[1] [1]	Oxygen-18
9	Fluorine	F	0,000,018 18.9984032(5)	Fluorine-18
10	Neon	Ne	0,000,020 20.1797(6)[1] [1]
11	Sodium	Na	0,000,022 22.98976928(2)
12	Magnesium	Mg	0,000,024 24.3050(6)
13	Aluminium	Al	0,000,026 26.9815386(8)
14	Silicon	Si	0,000,028 28.0855(3)[1]
15	Phosphorus	P	0,000,030 30.973762(2)
16	Sulfur	S	0,000,032 32.065(5)[1] [1]
17	Chlorine	Cl	0,000,035 35.453(2)[1] [1] [1]	Chlorine-36
18	Argon	Ar	0,000,039 39.948(1)[1] [1]
19	Potassium	K	0,000,039 39.0983(1)
20	Calcium	Ca	0,000,040 40.078(4)[1]	Calcium-48
21	Scandium	Sc	0,000,044 44.955912(6)
22	Titanium	Ti	0,000,047 47.867(1)
23	Vanadium	V	0,000,050 50.9415(1)
24	Chromium	Cr	0,000,051 51.9961(6)
25	Manganese	Mn	0,000,054 54.938045(5)
26	Iron	Fe	0,000,055 55.845(2)	Iron-56
27	Cobalt	Co	0,000,058 58.933195(5)	Cobalt-60
28	Nickel	Ni	0,000,058 58.6934(2)	Nickel-62
29	Copper	Cu	0,000,063 63.546(3)[1]	Copper-64
30	Zinc	Zn	0,000,065 65.409(4)
31	Gallium	Ga	0,000,069 69.723(1)
32	Germanium	Ge	0,000,072 72.64(1)
33	Arsenic	As	0,000,074 74.92160(2)
34	Selenium	Se	0,000,078 78.96(3)[1]	Selenium-79
35	Bromine	Br	0,000,079 79.904(1)
36	Krypton	Kr	0,000,083 83.798(2)[1] [1]	Krypton-85
37	Rubidium	Rb	0,000,085 85.4678(3)[1]
38	Strontium	Sr	0,000,087 87.62(1)[1] [1]	Strontium-90
39	Yttrium	Y	0,000,088 88.90585(2)
40	Zirconium	Zr	0,000,091 91.224(2)[1]	Zirconium-93
41	Niobium	Nb	0,000,092 92.906 38(2)
42	Molybdenum	Mo	0,000,095 95.94(2)[1]
43	Technetium	Tc	0,000,098 [98.9063][1]	Technetium-99, Technetium-99m
44	Ruthenium	Ru	0,000,101 101.07(2)[1]	Ruthenium-106
45	Rhodium	Rh	0,000,102 102.90550(2)
46	Palladium	Pd	0,000,106 106.42(1)[1]	Palladium-103, Palladium-107
47	Silver	Ag	0,000,107 107.8682(2)[1]
48	Cadmium	Cd	0,000,112 112.411(8)[1]	Cadmium-113m
49	Indium	In	0,000,114 114.818(3)
50	Tin	Sn	0,000,118 118.710(7)[1]	Tin-121m, Tin-126
51	Antimony	Sb	0,000,121 121.760(1)[1]
52	Tellurium	Te	0,000,127 127.60(3)[1]	Tellurium-124
53	Iodine	I	0,000,126 126.90447(3)	Iodine-123, Iodine-124, Iodine-125, Iodine-129, Iodine-131
54	Xenon	Xe	0,000,131 131.293(6)[1] [1]	Xenon-133, Xenon-135
55	Caesium	Cs	0,000,132 132.9054519(2)	Caesium-134, Caesium-135, Caesium-137
56	Barium	Ba	0,000,137 137.327(7)
57	Lanthanum	La	0,000,138 138.90547(7)[1]
58	Cerium	Ce	0,000,140 140.116(1)[1]
59	Praseodymium	Pr	0,000,140 140.90765(2)
60	Neodymium	Nd	0,000,144 144.242(3)[1]
61	Promethium	Pm	0,000,146 [146.9151][1]	Promethium-147
62	Samarium	Sm	0,000,150 150.36(2)[1]	Samarium-149, Samarium-151
63	Europium	Eu	0,000,151 151.964(1)[1]	Europium-155
64	Gadolinium	Gd	0,000,157 157.25(3)[1]
65	Terbium	Tb	0,000,158 158.92535(2)
66	Dysprosium	Dy	0,000,162 162.500(1)[1]
67	Holmium	Ho	0,000,164 164.93032(2)
68	Erbium	Er	0,000,167 167.259(3)[1]
69	Thulium	Tm	0,000,168 168.93421(2)
70	Ytterbium	Yb	0,000,173 173.04(3)[1]
71	Lutetium	Lu	0,000,174 174.967(1)[1]
72	Hafnium	Hf	0,000,178 178.49(2)
73	Tantalum	Ta	0,000,180 180.9479(1)
74	Tungsten	W	0,000,183 183.84(1)
75	Rhenium	Re	0,000,186 186.207(1)
76	Osmium	Os	0,000,190 190.23(3)[1]
77	Iridium	Ir	0,000,192 192.217(3)	Iridium-192
78	Platinum	Pt	0,000,195 195.084(9)
79	Gold	Au	0,000,196 196.966569(4)
80	Mercury	Hg	0,000,200 200.59(2)
81	Thallium	Tl	0,000,204 204.3833(2)
82	Lead	Pb	0,000,207 207.2(1)[1] [1]
83	Bismuth	Bi	0,000,208 208.98040(1)	Bismuth-209
84	Polonium	Po	0,000,208 [208.9824][1]
85	Astatine	At	0,000,209 [209.9871][1]
86	Radon	Rn	0,000,222 [222.0176][1]
87	Francium	Fr	0,000,223 [223.0197][1]
88	Radium	Ra	0,000,226 [226.0254][1]
89	Actinium	Ac	0,000,227 [227.0278][1]
90	Thorium	Th	0,000,232 232.03806(2)[1] [1]	Thorium-228, Thorium-229, Thorium-230, Thorium-231, Thorium-232, Thorium-234
91	Protactinium	Pa	0,000,231 231.03588(2)[1]	Protactinium-230
92	Uranium	U	0,000,238 238.02891(3)[1] [1] [1]	Uranium-232, Uranium-233, Uranium-234, Uranium-235, Uranium-236, Uranium-238, Uranium-239, Uranium-240, Uranium-241
93	Neptunium	Np	0,000,237 [237.0482][1]	Neptunium-235, Neptunium-236
94	Plutonium	Pu	0,000,244 [244.0642][1]	Plutonium-238, Plutonium-239, Plutonium-240, Plutonium-241, Plutonium-244
95	Americium	Am	0,000,243 [243.0614][1]	Americium-242, Americium-243
96	Curium	Cm	0,000,247 [247.0703][1]
97	Berkelium	Bk	0,000,247 [247.0703][1]
98	Californium	Cf	0,000,251 [251.0796][1]
99	Einsteinium	Es	0,000,252 [252.0829][1]
100	Fermium	Fm	0,000,257 [257.0951][1]
101	Mendelevium	Md	0,000,258 [258.0986][1]
102	Nobelium	No	0,000,259 [259.1009][1]
103	Lawrencium	Lr	0,000,260 [260.1053][1]
104	Rutherfordium	Rf	0,000,261 [261.1087][1]
105	Dubnium	Db	0,000,262 [262.1138][1]
106	Seaborgium	Sg	0,000,263 [263.1182][1]
107	Bohrium	Bh	0,000,262 [262.1229][1]
108	Hassium	Hs	0,000,265 [265][1]
109	Meitnerium	Mt	0,000,266 [266][1]
110	Darmstadtium	Ds	0,000,269 [269][1]
111	Roentgenium	Rg	0,000,272 [272][1]
112	Ununbium	Uub	0,000,285 [285][1]
113	Ununtrium	Uut	0,000,284 [284][1]
114	Ununquadium	Uuq	0,000,289 [289][1]
115	Ununpentium	Uup	0,000,288 [288][1]
116	Ununhexium	Uuh	0,000,292 [292][1]
117	Ununseptium	Uus	0,000,293 [295] [1]
118	Ununoctium	Uuo	0,000,294 [294][1]

Template:Element color legend

See also

• Index to isotope pages
• Isotope lists
• Table of nuclides
• Table of nuclides (combined)

Notes

References

• Atomic Weights of the Elements 2001, Pure Appl. Chem. 75(8), 1107-1122, 2003. Retrieved June 30, 2005. Atomic weights of elements with atomic numbers from 1-109 taken from this source.
• IUPAC Standard Atomic Weights Revised (2005).
• WebElements Periodic Table. Retrieved June 30, 2005. Atomic weights of elements with atomic numbers 110-116 taken from this source.

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