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Unbinilium | | | Predicted properties | | Name, Symbol, Number | Unbinilium, Ubn, 120 | | Chemical series | Presumably Alkali earths | | Group, Period, Block | 2, 8, s | | Appearance | unknown, probably metallic
and silvery white or grey colour | | Atomic weight | 297 amu (a guess) | | Electron configuration | Uuo 8s2
(a guess based upon barium
and radium) | | e- 's per energy level | 2, 8, 18, 32, 32, 18, 8, 2 | | State of matter | presumably a solid | Unbinilium (eka-radium) is the temporary name of an undiscovered chemical element in the periodic table that has the temporary symbol Ubn and has the atomic number 120. History The name unbinilium is used as a placeholder, such as in scientific articles about the search for element 120. Transuranic elements beyond plutonium are always artificially produced, and usually end up being named for a scientist or the location of a laboratory that does work in atomic physics. The element is of interest because it is part of the hypothesized island of stability, with isotope 304 being the most stable. See systematic element name. External links
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