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style="background:#ffffff;" title="Half-life – Isotope: < 1 day; Nuclear isomer: < 1 day" |
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| see also: title (mousehover text) |
by letter code
| example: Gd |
| - |
145Gd |
< 1 day |
| V |
146Gd |
1–10 days |
| I |
149Gd |
10–100 days |
| B |
153Gd |
100 days–10 a |
| G |
148Gd |
10–10,000 a |
| Y |
150Gd |
10 ka–700 Ma |
| O |
152Gd |
> 700 Ma |
| R |
158Gd |
Stable |
| Used in:
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by number code
| 0 |
|
1–10 years |
| 1 |
|
10–100 years |
| 2 |
|
100–1k years |
| 3 |
|
1k–10k years |
| 4 |
|
10k–100k years |
| 5 |
|
100k–1M years |
| 6 |
|
1M–10M years |
| 7 |
|
10M–103M years |
| 8 |
|
103M–700M years |
| 9 |
|
700M–14G years |
| Used in:
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