Oganesson (Og) – Periodic Table [Element Information & More]

oganesson element periodic table

Oganesson element (Og) is in group 18 and period 7 of a periodic table. Oganesson is in the p-block and it is classified as a radioactive synthetic element on the periodic table.

There is a lot more information related to oganesson which is mentioned in the Information Table given below.

So let’s dive right into it!

Table of contents

Oganesson Element (Information Table)

The important data related to oganesson element is given in the table below.

Atomic number of oganesson118
Symbol of oganessonOg
Atomic mass of oganesson (most stable isotope)294 u
Protons in oganesson118
Electrons in oganesson118
State of oganesson (at STP)Gas (predicted)
Group number of oganesson in periodic table18
Period number of oganesson in periodic table7
Block of oganesson in periodic tablep-block
Category of oganessonSynthetic element
Bohr model or Electrons per shell or Electrons arrangement in oganesson2, 8, 18, 32, 32, 18, 8
Electron configuration of oganesson[Rn] 5f14 6d10 7s2 7p6
Orbital diagram of oganessonorbital diagram of Oganesson
Density of oganesson (predicted)6.6-7.4 g/cm3
Main isotope of oganesson294Og
Crystal structure of oganesson (predicted)Face Centered Cubic (FCC)

Also see: Interactive Periodic Table (It has rotating bohr models as well as many other details of all the 118 elements in a single periodic table).

Oganesson element in Periodic table

The Oganesson element (Og) has the atomic number 118 and is located in group 18 and period 7.

H He
Li Be B C N O F Ne
Na Mg Al Si P S Cl Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La* Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac** Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
*Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
**Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr

Facts about oganesson

Here are a few interesting facts about the oganesson element.

  1. Oganesson was given its name to honor the physicist “Yuri Oganessian”.
  2. Oganesson is not available naturally and it is a highly radioactive element.
  3. The predicted atomic mass of oganesson is 294 amu. This is the highest atomic mass out of all the known elements on the periodic table.
  4. Oganesson has around 5 isotopes and all these isotopes are radioactive in nature.
  5. 294Og is the longest lived isotope of oganesson and it has a half life of only 0.69 milliseconds.

Properties of oganesson

Here is a list of some physical properties and chemical properties of oganesson.

  • Oganesson is a radioactive element. It has a very short half life of only a few milliseconds.
  • The atomic mass of oganesson is predicted to be 294 amu.
  • The predicted common oxidation states of oganesson are +2 and +4.
  • The crystal structure of oganesson is FCC (predicted).

Uses of oganesson

Oganesson has no commercial uses due to its scarcity and highly radioactive nature. It is generally used for research work.

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