最終更新日：2024/07/28
Californium is a radioactive chemical element with the symbol Cf and atomic number 98.
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Californium is a radioactive chemical element with the symbol Cf and atomic number 98.
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Californium is a radioactive chemical element with the symbol Cf and atomic number 98.
Californium is a radioactive chemical element with the symbol Cf and atomic number 98.
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