Class 11 NEET Chemistry Structure Of Atom Questions

Question : 21 of 84

Marks: +1, -0

Which one is the wrong statements ?

[NEET 2017]

The uncertainty principle is ΔE×Δt≥
h
4π
Half filled and fully filled orbitals have greater stability due to greater exchange energy,greater symmetry and more balanced arrangement
The energy of 2s orbital is less than the energy of 2p orbital in case of Hydrogen like atoms
de-Broglies's wavelength is given by λ=
h
mv
where m = mass of the particle, v = group velocity of the particle

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