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三重水素
2. TritiumTritium is a radioactive isotope of hydrogen. The nucleus of tritium (sometimes called a triton) contains one proton and two neutrons, whereas the nucleus of protium (by far the most abundant hydrogen isotope) contains one proton and no neutrons. Naturally occurring tritium is extremely rare on Earth, where trace amounts are formed by the interaction of the atmosphere with cosmic rays. The name of this isotope is formed from the Greek word "tritos" meaning "third".
Read “Tritium” on English Wikipedia
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Read “Tritium” on DBpedia
Read “Tritium” on English Wikipedia
Read “三重水素” on Japanese Wikipedia
Read “Tritium” on DBpedia
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