| One of the unstable elements named after Nobel prize winners |
The Times Specialist Sunday |
26 Jan 2025 |
| Mine uranium in site for processing radioactive element |
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| I unite mines for the element (11) |
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| Chemical element of atomic number 99 (11) |
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| Element of men in suite I put straight |
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| Organised site in mine to store uranium, a radioactive element |
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| 99, in chemistry |
New York Times |
09 Sep 2020 |
| Radioactive element beginning to escape in minutes, I suspect |
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| Artificial radioactive element, atomic number 99 |
The Times Specialist Sunday |
09 Sep 2018 |
| In bombing nine times one needing uranium, radioactive element |
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| I – I'm unsure on dodgy nineties' Es |
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| Element discovered in 1952 |
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| Element #99 |
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| Element #99 |
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| Element named for famous scientist. |
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