单词 | radioactive metal |
释义 | radioactive metal In an alphabetical list of the chemical elements, which radioactive metal comes first? Times, Sunday Times A soft, silvery-white radioactive metal, actinium reacts rapidly with oxygen and moisture in air forming a white coating of actinium oxide that prevents further oxidation. Retrieved from Wikipedia CC BY-SA 3.0 Hydrocarbons are by far the most common source of fuel used by humans, but other substances, including radioactive metals, are also utilized. Retrieved from Wikipedia CC BY-SA 3.0 As a result, their breathe-gas explodes on contact with even trace amounts of radioactive metals, such as uranium. Retrieved from Wikipedia CC BY-SA 3.0 |
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