Atomic # |
Symbol |
Name |
Stable (non-radioactive) Isotopes |
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44 | Ru | Ruthenium |  100Ru,  101Ru,  102Ru,  104Ru,  96Ru,  98Ru,  99Ru |
46 | Pd | Palladium |  102Pd,  104Pd,  105Pd,  106Pd,  108Pd,  110Pd |
45 | Rh | Rhodium |  103Rh |
48 | Cd | Cadmium |  106Cd,  108Cd,  110Cd,  111Cd,  112Cd,  114Cd |
47 | Ag | Silver |  107Ag,  109Ag |
5 | B | Boron |  10B,  11B |
50 | Sn | Tin |  112Sn,  114Sn,  115Sn,  116Sn,  117Sn,  118Sn,  119Sn,  120Sn,  122Sn,  124Sn |
49 | In | Indium |  113In |
52 | Te | Tellurium |  120Te,  122Te,  124Te,  125Te,  126Te |
51 | Sb | Antimony |  121Sb,  123Sb |
54 | Xe | Xenon |  124Xe,  126Xe,  128Xe,  129Xe,  130Xe,  131Xe,  132Xe,  134Xe,  136Xe |
53 | I | Iodine |  127I |
6 | C | Carbon |  12C,  13C |
56 | Ba | Barium |  130Ba,  132Ba,  134Ba,  135Ba,  136Ba,  137Ba,  138Ba |
55 | Cs | Cesium |  133Cs |
58 | Ce | Cerium |  136Ce,  138Ce,  140Ce,  142Ce |
57 | La | Lanthanum |  139La |
59 | Pr | Praseodymium |  141Pr |
60 | Nd | Neodymium |  142Nd,  143Nd,  145Nd,  146Nd,  148Nd |
62 | Sm | Samarium |  144Sm,  149Sm,  150Sm,  152Sm,  154Sm |
7 | N | Nitrogen |  14N,  15N |
63 | Eu | Europium |  151Eu,  153Eu |
66 | Dy | Dysprosium |  156Dy,  158Dy,  160Dy,  161Dy,  162Dy,  163Dy,  164Dy |
65 | Tb | Terbium |  159Tb |
68 | Er | Erbium |  162Er,  164Er,  166Er,  167Er,  168Er,  170Er |
67 | Ho | Holmium |  165Ho |
70 | Yb | Ytterbium |  168Yb,  170Yb,  171Yb,  172Yb,  173Yb,  174Yb,  176Yb |
69 | Tm | Thulium |  169Tm |
8 | O | Oxygen |  16O,  17O,  18O |
71 | Lu | Lutertium |  175Lu |
72 | Hf | Hafnium |  176Hf,  177Hf,  178Hf,  179Hf,  180Hf |
74 | W | Tungsten |  180W,  182W,  183W,  184W,  186W |
73 | Ta | Tantalum |  181Ta |
76 | Os | Osmium |  184Os,  187Os,  188Os,  189Os,  190Os,  192Os |
75 | Re | Rhenium |  185Re |
77 | Ir | Iridium |  191Ir,  193Ir |
78 | Pt | Platinum |  192Pt,  194Pt,  195Pt,  196Pt,  198Pt |
80 | Hg | Mercury |  196Hg,  198Hg,  199Hg,  200Hg,  201Hg,  202Hg,  204Hg |
79 | Au | Gold |  197Au |
9 | F | Fluorine |  19F |
1 | H | Hydrogen |  1H,  2H |
81 | Tl | Thallium |  203Tl,  205Tl |
82 | Pb | Lead |  204Pb,  206Pb,  207Pb,  208Pb |
83 | Bi | Bismuth |  209Bi |
10 | Ne | Neon |  20Ne,  21Ne,  22Ne |
90 | Th | Thorium |  232Th |
11 | Na | Sodium |  23Na |
12 | Mg | Magnesium |  24Mg,  25Mg,  26Mg |
13 | Al | Aluminum |  27Al |
14 | Si | Silicon |  28Si,  29Si,  30Si |
15 | P | Phosphorus |  31P |
16 | S | Sulfur |  32S,  33S,  34S,  36S |
17 | Cl | Chlorine |  35Cl,  37Cl |
18 | Ar | Argon |  36Ar,  38Ar,  40Ar |
19 | K | Potassium |  39K,  41K |
2 | He | Helium |  3He,  4He |
20 | Ca | Calcium |  40Ca,  42Ca,  43Ca,  44Ca,  46Ca |
21 | Sc | Scandium |  45Sc |
22 | Ti | Titanium |  46Ti,  47Ti,  48Ti,  49Ti,  50Ti |
24 | Cr | Chromium |  50Cr,  52Cr,  53Cr,  54Cr |
23 | V | Vanadium |  51V |
26 | Fe | Iron |  54Fe,  56Fe,  57Fe,  58Fe |
25 | Mn | Manganese |  55Mn |
28 | Ni | Nickel |  58Ni,  60Ni,  61Ni,  62Ni,  64Ni |
27 | Co | Cobalt |  59Co |
29 | Cu | Copper |  63Cu,  65Cu |
30 | Zn | Zinc |  64Zn,  66Zn,  67Zn,  68Zn,  70Zn |
31 | Ga | Gallium |  69Ga,  71Ga |
3 | Li | Lithium |  6Li,  7Li |
32 | Ge | Germanium |  70Ge,  72Ge,  73Ge,  74Ge |
34 | Se | Selenium |  74Se,  76Se,  77Se,  78Se,  80Se |
33 | As | Arsenic |  75As |
36 | Kr | Krypton |  78Kr,  80Kr,  82Kr,  83Kr,  84Kr,  86Kr |
35 | Br | Bromine |  79Br,  81Br |
38 | Sr | Strontium |  84Sr,  86Sr,  87Sr,  88Sr |
37 | Rb | Rubidium |  85Rb |
39 | Y | Yttrium |  89Y |
40 | Zr | Zirconium |  90Zr,  91Zr,  92Zr,  94Zr |
42 | Mo | Molybdenum |  92Mo,  94Mo,  95Mo,  96Mo,  97Mo,  98Mo |
41 | Nb | Niobium |  93Nb |
4 | Be | Beryllium |  9Be |
64 | Gd | Gadolinium |   154Gd 155Gd 156Gd 157Gd 158Gd 160Gd |
93 | Np | Neptunium | None. All isotopes are man-made and radioactive |
94 | Pu | Plutonium | None. All isotopes are man-made and radioactive |
95 | Am | Americium | None. All isotopes are man-made and radioactive |
96 | Cm | Curium | None. All isotopes are man-made and radioactive |
97 | Bk | Berkelium | None. All isotopes are man-made and radioactive |
98 | Cf | Californium | None. All isotopes are man-made and radioactive |
99 | Es | Einsteintium | None. All isotopes are man-made and radioactive |
100 | Fm | Fermium | None. All isotopes are man-made and radioactive |
101 | Md | Mendelevium | None. All isotopes are man-made and radioactive |
102 | No | Nobelium | None. All isotopes are man-made and radioactive |
103 | Lr | Lawrencium | None. All isotopes are man-made and radioactive |
104 | Rf | Rutherfordium | None. All isotopes are man-made and radioactive |
105 | Db | Dubnium | None. All isotopes are man-made and radioactive |
106 | Sg | Seaborgium | None. All isotopes are man-made and radioactive |
107 | Bh | Bohrium | None. All isotopes are man-made and radioactive |
108 | Hs | Hassium | None. All isotopes are man-made and radioactive |
109 | Mt | Meitnerium | None. All isotopes are man-made and radioactive |
110 | Ds | Darmstadtium | None. All isotopes are man-made and radioactive |
111 | Rg | Roentgenium | None. All isotopes are man-made and radioactive |
112 | Cn | Copernicium | None. All isotopes are man-made and radioactive |
113 | Nh | Nihonium | None. All isotopes are man-made and radioactive |
114 | Fl | Flerovium | None. All isotopes are man-made and radioactive |
115 | Mc | Moscovium | None. All isotopes are man-made and radioactive |
116 | Lv | Livermorium | None. All isotopes are man-made and radioactive |
117 | Ts | Tennessine | None. All isotopes are man-made and radioactive |
118 | Og | Oganesson | None. All isotopes are man-made and radioactive |
43 | Tc | Technetium | None. All natural isotopes are radioactive |
61 | Pm | Promethium | None. All natural isotopes are radioactive |
84 | Po | Polonium | None. All natural isotopes are radioactive |
85 | At | Astatine | None. All natural isotopes are radioactive |
86 | Rn | Radon | None. All natural isotopes are radioactive |
87 | Fr | Francium | None. All natural isotopes are radioactive |
88 | Ra | Radium | None. All natural isotopes are radioactive |
89 | Ac | Actinium | None. All natural isotopes are radioactive |
91 | Pa | Protactinium | None. All natural isotopes are radioactive |
92 | U | Uranium | None. All natural isotopes are radioactive |