The element with the electronic configuration $1s^2 2s^2 2p^6 3s^2 3p^6 3d^{10} 4s^1$ is

  • A
    $Cu$
  • B
    $Ca$
  • C
    $Cr$
  • D
    $CO$

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Similar Questions

The five $d$-orbitals are designated as $d_{xy}, d_{yz}, d_{xz}, d_{x^2-y^2},$ and $d_{z^2}$. Choose the correct statement from the following.

Which of the following statements concerning the four quantum numbers is false?

Which of the following sets of quantum numbers is correct for an electron in a $3d$-orbital?

The orbital angular momentum of an electron in an $s$ orbital is:

The number of unpaired electrons in a ferrous ion $(Fe^{2+})$ is:

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