Currently elements 113, 115, 117, and 118 are known as Ununtrium, Ununpentium, Ununseptium, and Ununoctium, respectively. What these elements will be named depends on the proposals by the ...
Currently elements 113, 115, 117, and 118 are known as Ununtrium, Ununpentium, Ununseptium, and Ununoctium, respectively. What these elements will be named depends on the proposals by the ...
In June 1999 the Lawrence Berkeley Lab in California, one of the few places in the world that does this sort of work announced in the journal Physical Review Letters that they had succeeded in making ...
In June 1999 the Lawrence Berkeley Lab in California, one of the few places in the world that does this sort of work announced in the journal Physical Review Letters that they had succeeded in making ...
Des calculs laissent penser que d'autres isotopes de l'ununoctium pourraient avoir une période radioactive de l'ordre de la milliseconde et, pour certains, supérieure à celle du noyau 294 Uuo ...
Gaz inerte, le radon est le plus "lourd" (le plus dense) des gaz rares (en ne prenant pas en compte l'ununoctium). Dans les conditions normales de température et de pression, le radon est un gaz ...
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