Which of the following statements is wrong?
1. The uncertainty principle is
2. Half-filled and fully filled orbitals have greater stability due to greater exchange energy,
greater symmetry, and a more balanced arrangement.
3. The energy of the 2s orbital is less than the energy of the 2p orbital in the case of hydrogen-like atoms.
4. De-Broglie's wavelength is given by , where m= mass of the particle, v = group velocity of the particle.
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