In December 1998 and January 1999, high-energy physicists in Russia created a superheavy element called ununquadium with a record 114 protons. It was an impressive technical achievement. Alas, ...
- Ununquadium Ununtrium ← Ununquadium →... Source: Wikipédia sous licence CC-BY-SA 3.0. La liste des auteurs de cet article est disponible ici.
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