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MHT-CET PCB 10 — MHT - CET STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceMHT - CETMHT-CET PCB 101 Mark
MCQ
The electronic configuration of thorium (Z = 90) is ____________.
  • A
    $[R n] 5 f^1 6 d^0 7 s^2$
  • B
    $[ Rn ] 5 f ^0 6 d^0 7 s^2$
  • C
    $[ Rn ] 5 f^0 6 d^1 7 s^2$
  • ✓
    $[R n] 5 f^0 6 d^2 7 s^2$
✓

Answer

Correct option: D.
$[R n] 5 f^0 6 d^2 7 s^2$
D

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