NEET Chemistry · Medium

Structure of Atom: Multi-electron atoms MCQ

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Multi-electron atomsMediumQuestion 21120

Question

In multi-electron atoms, orbitals of same n have different energies because of:

  1. A
    Shielding and penetration
    Correct
  2. B
    Only nuclear mass
  3. C
    Planck constant
  4. D
    Speed of light

Correct answer

Shielding and penetration

Explanation

Electron-electron repulsion breaks the hydrogen-like degeneracy.