Og
Oganesson · element 118
Unknown, Predicted To Be Noble Gas · Solid at room temperature
Oganesson is IUPAC's name for the transactinide element with the atomic number 118 and element symbol Og. It is also known as eka-radon or element 118, and on the periodic table of the elements it is a p-block element and the last one of the 7th period. Oganesson is currently the only synthetic member of group 18.
Key facts
Atomic mass
294 u
how heavy one atom is
Phase (room temp.)
Solid
Density
4.95 g/cm³
how tightly packed it is
Boiling point
350 K (77 °C)
when liquid turns to gas
Period
7
its row in the periodic table
Group
18
its column in the periodic table
Block
P-block
the neighbourhood it lives in
Electron configuration
*[Rn] 5f14 6d10 7s2 7p6
where its electrons live
Shells
2 · 8 · 18 · 32 · 32 · 18 · 8
electrons in each layer, inside to out
Discovered by
Joint Institute for Nuclear Research
who found it
Source: Wikipedia