Below is a catalog of candidate ions for trapped ion quantum computing from the periodic table. The alkalai-like (blue) or two-electron alkali-earth-like (orange) ions are highlighted with links to individual diagrams and further information.
| Group | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| Period 1 |
1 H |
2 He |
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| 2 | 3 Li |
4 Be |
6 C |
7 N |
8 O |
9 F |
10 Ne |
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| 3 | 11 Na |
12 Mg |
15 P |
16 S |
17 Cl |
18 Ar |
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| 4 | 19 K |
20 Ca |
34 Se |
35 Br |
36 Kr |
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| 5 | 37 Rb |
38 Sr |
53 I |
54 Xe |
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| 6 | 55 Cs |
56 Ba |
57-71 |
85 At |
86 Rn |
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| 7 | 87 Fr |
88 Ra |
89-103 |
113 Uut |
114 Fl |
115 Uup |
116 Lv |
117 Uus |
118 Uuo |
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| 57 La |
58 Ce |
59 Pr |
60 Nd |
61 Pm |
62 Sm |
63 Eu |
64 Gd |
65 Tb |
66 Dy |
67 Ho |
68 Er |
69 Tm |
70 Yb |
71 Lu |
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| 89 Ac |
90 Th |
91 Pa |
92 U |
93 Np |
94 Pu |
95 Am |
96 Cm |
97 Bk |
98 Cf |
99 Es |
100 Fm |
101 Md |
102 No |
103 Lr |
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Ytterbium
| Isotope | Abundance | Nuclear Spin |
| 174 | 31.8 | 0 |
| 172 | 21.8 | 0 |
| 173 | 16.1 | 5/2 |
| 171 | 14.3 | 1/2 |
| 176 | 12.8 | 0 |
Beryllium
| Isotope | Abundance | Nuclear Spin |
| 9 | 100 | 3/2 |
Magnesium
| Isotope | Abundance | Nuclear Spin |
| 24 | 79 | 0 |
| 26 | 11 | 0 |
| 25 | 10 | 5/2 |
Calcium
| Isotope | Abundance | Nuclear Spin |
| 40 | 96.9 | 0 |
| 44 | 2.1 | 0 |
| 42 | 0.6 | 0 |
| 48 | 0.19 | 0 |
| 43 | 0.14 | 7/2 |
Strontium
| Isotope | Abundance | Nuclear Spin |
| 88 | 82.6 | 0 |
| 86 | 9.9 | 0 |
| 87 | 7 | 9/2 |
Barium
| Isotope | Abundance | Nuclear Spin |
| 138 | 71.7 | 0 |
| 137 | 11.2 | 3/2 |
| 136 | 7.9 | 0 |
| 135 | 6.6 | 3/2 |
| 134 | 2.4 | 0 |
Zinc
| Isotope | Abundance | Nuclear Spin |
| 64 | 48.6 | 0 |
| 66 | 27.9 | 0 |
| 68 | 18.6 | 0 |
| 67 | 4.1 | 5/2 |
Cadmium
| Isotope | Abundance | Nuclear Spin |
| 114 | 28.7 | 0 |
| 112 | 24.1 | 0 |
| 111 | 12.8 | 1/2 |
| 110 | 12.5 | 0 |
| 113 | 12.2 | 1/2 |
| 116 | 7.5 | 0 |
Mercury
| Isotope | Abundance | Nuclear Spin |
| 202 | 29.9 | 0 |
| 200 | 23.1 | 0 |
| 199 | 16.9 | 1/2 |
| 201 | 12.2 | 3/2 |
| 198 | 10.0 | 0 |
| 204 | 6.9 | 0 |
Boron
| Isotope | Abundance | Nuclear Spin |
| 11 | 80.1 | 3/2 |
| 10 | 19.9 | 3 |
Aluminum
| Isotope | Abundance | Nuclear Spin |
| 27 | 100 | 5/2 |
Gallium
| Isotope | Abundance | Nuclear Spin |
| 69 | 60.1 | 3/2 |
| 71 | 39.9 | 3/2 |
Indium
| Isotope | Abundance | Nuclear Spin |
| 115 | 95.7 | 9/2 |
| 113 | 4.3 | 9/2 |
Thallium
| Isotope | Abundance | Nuclear Spin |
| 205 | 70.5 | 9/2 |
| 203 | 29.5 | 1/2 |
Lutetium
| Isotope | Abundance | Nuclear Spin |
| 175 | 97.4 | 7/2 |
| 176 | 2.6 | 7 |













