最終更新日:2024/07/30
Eka-gold is a synthetic element with the symbol Eka-Au and atomic number 111.
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Eka-gold is a synthetic element with the symbol Eka-Au and atomic number 111.
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Eka-gold is a synthetic element with the symbol Eka-Au and atomic number 111.
Eka-gold is a synthetic element with the symbol Eka-Au and atomic number 111.