Einsteinium

Einsteinium [ Es ] :


Define: Einsteinium is inner transition metal place at 10th number in actinides series. It is toxic in nature. And it is 7th  number transuranic element . It is man made element.  It is flammable in nature. It is found by neutron bombardment of plutonium in  nuclear reactor

Discovery  : it is discovered in 1952 by scientist Albert Ghiorsoand colleagues

Origin of name :the name gives after the honoured of  physician Albert Einstein

Physical properties :

Atomic symbol: atomic symbol of einsteinium is Es

Atomic number : Atomic number of Einsteinium is 99

In Einsteinium 99 proton and 99 electron is present

Atomic weight/ mass: Atomic weight of this isotope is 252 Amu

In this isotope 99 proton and 153 neutron is present

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

Block : it Is place in f block

Colour :Einsteinium show silvery colou

State : Einsteinium is present in solid form

Boiling point :boiling point of Einsteinium is unknown

Melting point :melting point of Einsteinium is 8600C

Isotopes:

  • 252En: atomic weight of this isotope is 252.04 Amu

In this isotope 99 proton,99 electron and 153 neutron is present

Chemical properties :

Electronic configuration

Electronic configuration of Einsteinium is [ Rn] 5f11 7s2

Electronic configuration in concert of shell is 2,8,18,32,29,8,2

Electronic structure

Valency : Valency of Einsteinium is 2 or 3

Atomic radius : Atomic radius of Einsteinium is 245 Pm

Uses:

  • It is use in research field
  • It is use in synthesis of mendelevium

 

Question and Answer:

Q1. Define Einsteinium

Q2. Who discovered

Einsteinium?

Q2. Physical properties of Einsteinium

Q4. Write Atomic Symbol of Einsteinium.

Q5. Write the Atomic number of Einsteinium.

Q6. On which block Einsteinium element is present?

Q7. What is the color of Einsteinium?

Q8. What is the Boiling point of Einsteinium?

Q9. What is the Melting point of Einsteinium?

Q10. Write the Isotopes of Einsteinium.

Q11. Show Electronic configuration of Einsteinium.

Q12. Write Electronic Structure of Einsteinium.

Q13. What is the Valency of Einsteinium?

Q14. Write the uses of Einsteinium element.

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