FERMIUM

Fermium

Fermium is a synthetic element with symbol Fm and atomic number 100. It is a member of the actinide series. It is the heaviest element that can be formed by neutron bombardment of lighter elements, and hence the last element that can be prepared in macroscopic quantities, although pure fermium metal has not yet been prepared. A total of 19 isotopes are known, with 257Fm being the longest-lived with a half-life of 100.5 days.

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fermium

Noun

  1. A transuranic chemical element (symbol Fm) with an atomic number of 100.


The above text is a snippet from Wiktionary: fermium
and as such is available under the Creative Commons Attribution/Share-Alike License.

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