Oganesson ( Og ) :

Define: Oganesson is zero group element .it is gaseous form element .it is place in inert gas group .it is place below Radon .it is transuranic element .it is radioactive and toxic in nature .it is man made element

Discovery : it is discovered in 2006 by scientist in joint institute of Nuclear research in, Russia and Livermore National laboratory in California USA

Origin of name :The name gives in the honour of yurioganessian

Physical properties :

Atomic symbol: Atomic symbol of oganesson is Og

Atomic number : Atomic number of Oganessian is 118

In Oganessian is 117 proton and 117 Electron is present

Atomic weight/ mass: Atomic weight of Oganesson is 294 Amu

In Oganessian 118 proton and 176 neutron is present

Position : it is place in periodic table at 7th period and 18th group

Block : it is place in p block

Colour : Oganesson show silvery white or grey colour

State : Oganessianproduce in solid form

Boiling point : Boiling point of Oganesson is 80- 30 0C

Melting point : Melting point of Oganesson is 50 0C


  •  293Og: Atomic weight of this isotope is 293.05 Amu

In this isotope 118 proton ,118 Electron and 175 neutron is present.

  • 294 Og: Atomic weight of this isotope is 294.04 Amu

In this isotope 118 proton ,118 Electron and 176 neutron is present

  • 295Og : Atomic weight of this isotope is 295.06 Amu

In this isotope 118 proton ,118 Electron and 177 neutron is present

Chemical properties :

Electronic configuration

Electronic configuration of Oganesson is [ Rn] 5f14 6d107s27p6

Electronic configuration in concert of shell is 2,8,18,32,32,18,8

Electronic structure

Valency :Valency of Oganesson is 0

Atomic radius : Atomic radius of Oganesson is 152 Pm


  • it is use only in research field.


Question and Answer:                                                                                             

Q1. Define Oganesson

Q2. Who discovered Oganesson?

Q2. Physical properties of Oganesson

Q4. Write Atomic Symbol of Oganesson.

Q5. Write the Atomic number of Oganesson.

Q6. On which block Oganesson element is present?

Q7. What is the color of Oganesson?

Q8. What is the Boiling point of Oganesson?

Q9. What is the Melting point of Oganesson?

Q10. Write the Isotopes of Oganesson.

Q11. Show Electronic configuration of Oganesson.

Q12. Write Electronic Structure of Oganesson.

Q13. What is the Valency of Oganesson?

Q14. Write the uses of Oganesson element.

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