| colspan=2 align=center|ununhexium - ununseptium - ununoctium | rowspan=3 valign=center|At
Uus
|
align=center|
| } |
| colspan="2" align=center bgcolor="#ffc0c0"|Predicted properties |
| a href="/encyclopedia/List-of-elements-by-name" title="List of elements by name">Name, Symbol, Number | Ununseptium, Uus, 117 |
| a href="/encyclopedia/Chemical-series" title="Chemical series">Chemical series | Presumably Halogens |
| a href="/encyclopedia/periodic-table-group" title="periodic table group">Group, Period, Block | 17, 7, p |
| a href="/encyclopedia/color" title="color">Appearance | unknown, but probably metallic
and dark in appearance |
| a href="/encyclopedia/Atomic-weight" title="Atomic weight">Atomic weight | 291 amu (a guess) |
| a href="/encyclopedia/Electron-configuration" title="Electron configuration">Electron configuration | [Rn] 5f14 6d10 7s27p5
(a guess based upon astatine) |
| a href="/encyclopedia/electron" title="electron">e-s per energy level | 2, 8, 18, 32, 32, 18, 7 |
| a href="/encyclopedia/State-of-matter" title="State of matter">State of matter | presumably a solid |