JEE Main20249 Apr 2024Evening ShiftChemistryStructure of AtomActual
The electronic configuration of Einsteinium is : (Given atomic number of Einsteinium (=99) )
Options
- A([ Rn ] 5 f ¹⁰ 6 ~d ^ 7 ~s ^2 )
- B([ Rn ] 5 f ¹³ 6 ~d ^ 7 ~s ^2 )
- C([ Rn ] 5 f ¹¹ 6 ~d ^ 7 ~s ^2 )
- D([ Rn ] 5 f ¹² 6 ~d ^ 7 ~s ^2 )
Correct answer
C. ([ Rn ] 5 f ¹¹ 6 ~d ^ 7 ~s ^2 )
Step-by-step solution
Einsteinium (atomic No =99):[R n] 5 f ¹¹ 6 ~d ^0 7 ~s ^2