serviceRecipient
Nobelium
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Sigma KEE - Nobelium
Nobelium
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Radioactive metallic transuranic element, belongs to the actinoids. Seven known isotopes exist, the most stable being No-254 with a half-life of 255 seconds. First identified with certainty by Albert Ghiorso and Glenn T. Seaborg in 1966. {Unnilbium} has been proposed as an alternative name.
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