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Sigma KEE - Unnildecium
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Unnildecium
Half-life of approximately 10ms. Reported in 1994 by German researchers at Darmstadt, Germany.
Relationships      
Parents ElementalSubstance The Class of PureSubstances that cannot be separated into two or more Substances by ordinary chemical (or physical) means. This excludes nuclear reactions. ElementalSubstances are composed of only one kind of atom. Examples: Iron (Fe), copper (Cu), and oxygen (O_2). ElementalSubstances are the simplest PureSubstances.


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