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Does it have stable isotopes?
For each element, tell whether it has any completely stable isotopes or if all isotopes are radioactive.
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Last updated: January 29, 2025
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| First submitted | January 29, 2025 |
| Times taken | 22 |
| Average score | 85.0% | Report this quiz | Report |
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1. Krypton
Stable
Radioactive
2. Promethium
Stable
Radioactive
3. Samarium
Stable
Radioactive
4. Fermium
Stable
Radioactive
5. Technetium
Stable
Radioactive
6. Ytterbium
Stable
Radioactive
7. Caesium
Stable
Radioactive
8. Americium
Stable
Radioactive
9. Astatine
Stable
Radioactive
10. Praseodymium
Stable
Radioactive
11. Francium
Stable
Radioactive
12. Hassium
Stable
Radioactive
13. Radon
Stable
Radioactive
14. Nihonium
Stable
Radioactive
15. Potassium
Stable
Radioactive
16. Lanthanum
Stable
Radioactive
17. Bismuth
Stable
Radioactive
18. Zirconium
Stable
Radioactive
19. Iodine
Stable
Radioactive
20. Thallium
Stable
Radioactive
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1 Comments
khlorine
+1
Level 44
Jan 30, 2025
I added bismuth in here to be evil