metalithium

Noun. A heavy isotope of the simplest alkali metal, (''symbol'' Li) with an atomic number of 3 and containing 8 neutrons. Metalithium is an artificial isotope produced by bombarding Lithium 7 with neutrons. It is radioactive, with a half-life of 0.84 seconds.

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This entry was last updated on RefTopia from its source on 3/20/2012.