| 41. | Thallium ( I ) oxide reacts with acids to make thallium ( I ) salts.
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| 42. | GaBr 3 is similar spectroscopically to Aluminum, Indium, and Thallium trihalides excluding trifluorides.
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| 43. | Thallium is extremely toxic and a cumulative poison which can be absorbed through the skin.
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| 44. | Other workers soon used the same technique to discover indium, thallium, and helium.
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| 45. | However, its only naturally occurring isotope decays into thallium, which is highly poisonous.
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| 46. | By convention aluminium is placed in group 13, with gallium, indium and thallium.
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| 47. | Furthermore, when coal ash is ingested, thallium exposure can cause diarrhea and vomiting.
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| 48. | These toxic elements of local concern include boron, cadmium, selenium, and thallium.
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| 49. | Thompson said the exposure occurred because the company tested the wrong material to determine thallium levels.
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| 50. | Thallium tends to oxidize to the + 3 and + 1 oxidation states as ionic salts.
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