-
Roentgenium (German: [ʁœntˈɡeːni̯ʊm] ) is a
synthetic chemical element; it has
symbol Rg and
atomic number 111. It is
extremely radioactive and can only...
-
Roentgenium (111Rg) is a
synthetic element, and thus a
standard atomic weight cannot be given. Like all
synthetic elements, it has no
stable isotopes...
-
silver (Ag), gold (Au), and
roentgenium (Rg),
although no
chemical experiments have yet been
carried out to
confirm that
roentgenium behaves like the heavier...
- as
recommended by IUPAC. ^f
Coinage metals:
authors differ on
whether roentgenium (Rg) is
considered a
coinage metal. It is in
group 11, like the other...
- for the co-discoveries of
elements 110, 111, and 112 (darmstadtium,
roentgenium and copernicium, respectively).
Ninov also
claimed the
creation of elements...
-
created by a
German team: bohrium, h****ium, meitnerium, darmstadtium,
roentgenium, and copernicium.
Element 113, nihonium, was
created by a ****anese team;...
-
Rutherfordium Dubnium Seaborgium Bohrium H****ium
Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson...
- GSI had been the
first to
convincingly synthesize the element. 111.
roentgenium, Rg,
named after Wilhelm Röntgen,
discoverer of X-rays (1994). 112. copernicium...
-
bohrium (1981),
meitnerium (1982), h****ium (1984),
darmstadtium (1994),
roentgenium (1994), and
copernicium (1996) were discovered. The
existence of the...
- meitnerium. 110: Uun, ununnilium; Ds, darmstadtium. 111: Uuu, unununium; Rg,
roentgenium. 112: Uub, ununbium; Cn, copernicium. 113: Uut, ununtrium; Nh, nihonium...
