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Definition of Eka-astatine
1. Noun. An alternative name for the element with atomic number 117 as yet undiscovered. It systematic name is ununseptium. ¹
¹ Source: wiktionary.com
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1. Noun. An alternative name for the element with atomic number 117 as yet undiscovered. It systematic name is ununseptium. ¹
¹ Source: wiktionary.com