MCQ
The electronic configuration of Einsteinium is : (Given atomic number of Einsteinium = 99)
  • A
    $[ Rn ] 5 f ^{12} 6 d^0 7 s^2$
  • B
    $[ Rn ] 5 f ^{11} 6 d^0 7 s^2$
  • C
    $[ Rn ] 5 f ^{13} 6 d^0 7 s^2$
  • D
    $[ Rn ] 5 f ^{ I 0} 6 d^0 7 s^2$

Answer

Ans. (B) Einsteinium (atomic No $=99$ ) : $[ Rn ] 5 f ^{11} 6 d^0 7 s^2$

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