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单词 Esperium
释义

Esperium

英语百科

Hesperium

(重定向自Esperium)

Hesperium (also known as esperium; atomic symbol Es) was the name assigned to the element with atomic number 94, now known as plutonium. It was named in Italian Esperio after a Greek name of Italy, Hesperia, "the land of the West". The same team assigned the name ausonium to element 93, after Ausonia, a poetic name of Italy. By comparison, Uranium has atomic number 92.

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