| Atomic number 83 |
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| Element boron is on opening lacking oxygen (7) |
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| Filth clogging periodically bright metal |
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| Chemical element is beginning to melt — but hydrogen absorbs that |
The Times Cryptic |
17 Aug 2023 |
| Metallic element |
The Times Concise |
15 Aug 2023 |
| Element with a unique last letter |
Newsday |
20 Jun 2020 |
| Element turning stomach in clergyman losing work |
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| Hum bits, playing heavy metal |
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| Black iodine stain on hot metal |
The Telegraph Toughie |
11 May 2018 |
| ... element of ideology, filling but hard |
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| Chemical element upset stomach in clergyman pre-op |
The Telegraph Toughie |
17 Jun 2016 |
| Bi? Bizarre. Bust him |
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| Lead substitute |
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| Brittle metallic element |
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| Brittle metallic element |
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| Metal used in fuses |
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| Stomach-soother ingredient |
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| Metal used in alloys |
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| Element 83 |
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| Its atomic number is 83 |
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| Metallic element |
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| Metallic element, poorest heat conductor. |
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| Chemical element used in medicine. |
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