Roentgenium

Roentgenium ( Rg ) :

Define: Roentgenium is Transectinide metal . It is place below gold . It is transuranic element . It is highly radioactive and toxic in nature. It is man made element produce in laboratory . It Is made by fusing Nickel and bismuth alloy in a heavy ion accelerator.

Discovery : it is discovered in 1994 by scientist Sigurd Hofmann and victor Ninov

Origin of name : the name Roentgenium gives after Wilhelm Rintgen

Physical properties :

Atomic symbol: Atomic symbol of Roentgenium is Rg

Atomic number : Atomic number of Roentgenium is 111

In Roentgenium 111 proton ,111 electron is present

Atomic weight/ mass: atomic weight of Roentgenium is 272 Amu

In Roentgenium 111 proton and 161 neutron is present

Position : it is place in periodic table at 7^th period ( row ) and 11^th column ( group )

Block : it is place in d block

Colour :Roentgenium show silvery colour

State : it is produce in solid form

Boiling point :boiling point of Roentgenium is didn’t know

Melting point : melting point of Roentgenium is didn’t know

Isotopes:

•  ²⁸⁰ Rg: Atomic weight of this isotope is 280.09 Amu

In this isotope 111 proton ,111 electron and 169 neutron is present

Chemical properties :

Electronic configuration

Electronic configuration of Roentgenium is [ Rn ] 5f¹⁴ 6d¹⁰ 7s²

Electronic configuration in concert of shell is 2, 8, 18, 32, 32,17,2

Electronic structure

 

Valency :Valency of Roentgenium is 3 or 1

Atomic radius : Atomic radius of Roentgenium is 121 Pm

Uses:

• it is produce in small quantities hence it is only use in research field.

 

Question and Answer:                                                                                             

Q1. Define Roentgenium

Q2. Who discovered Roentgenium?

Q2. Physical properties of Roentgenium

Q4. Write Atomic Symbol of Roentgenium.

Q5. Write the Atomic number of Roentgenium.

Q6. On which block Roentgenium element is present?

Q7. What is the color of Roentgenium?

Q8. What is the Boiling point of Roentgenium?

Q9. What is the Melting point of Roentgenium?

Q10. Write the Isotopes of Roentgenium.

Q11. Show Electronic configuration of Roentgenium.

Q12. Write Electronic Structure of Roentgenium.

Q13. What is the Valency of Roentgenium?

Q14. Write the uses of Roentgenium element.