The electronic configuration $1s^2 2s^2 2p^6 3s^2 3p^6 3d^6$ corresponds to:

  • A
    $Mn^{2+}$
  • B
    $Fe^{2+}$
  • C
    $Co$
  • D
    $Ge$

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How many radial nodes are present in $4s$ and $3s$ orbitals respectively?

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Explain $d$ orbital.

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The radial probability distribution curve for an orbital comprises of $3$ maxima. If the orbital has $3$ angular nodes as well,then the orbital can be:

Which of the following elements are exceptions to the $(n + l)$ rule?

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