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Definition of: nobelium

(nō·bēlē·əm) noun
A synthetic, radioactive metallic element (symbol No, atomic number 102) of the actinide series, having seven isotopes, the most stable of which has an atomic mass of 255 and a half-life of three minutes. See PERIODIC TABLE.

Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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