The quantum number '$n$' for a free gaseous atom is associated with which of the following?

  • A
    Effective size of the orbitals
  • B
    Shape of the orbitals
  • C
    Spatial orientation of the orbitals
  • D
    Energy of the orbitals in the absence of a magnetic field

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Similar Questions

Nitrogen has the electronic configuration $1s^2 2s^2 2p_x^1 2p_y^1 2p_z^1$ and not $1s^2 2s^2 2p_x^2 2p_y^1 2p_z^0$,which is determined by:

Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon?

Which of the following is the correct set of $4$ quantum numbers for the $19^{th}$ electron in Chromium (Atomic number = $24$) in accordance with the Aufbau principle?

The number of electrons in the outermost shell of an element with atomic number $15$ is . . . . . . .

In Niobium $(Z = 41)$,the number of electrons with $m = -1$ will be:

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