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Earn 100

Which one of the following statements is wrong?
(a)de-Broglie's wavelength is given by , were mass of the particle,group velocity of the particle.
(b)The uncertainty principle is .
(c)Half-filled and fully-filled orbitals have greater stability due to the greater exchange energy, greater symmetry and more balanced arrangement.
(d)The energy of orbital is less than the energy of orbital in case of hydrogen-like atoms.

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Important Questions on Structure of Atom
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How many electrons can fit in each orbital for which and ?

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Which of the following pairs of orbitals will have the electron density along the axis?

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Two electrons occupying the same orbital are distinguished by:

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The number of -electrons in is not equal to the number of electrons in which one of the following?

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The angular momentum of electron in -orbital is equal to

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Which is the correct order of increasing energy of the listed orbitals in the atom of titanium?
(At. No. Z = )

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What is the maximum number of orbitals that can be identified with the following quantum number ?

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Calculate the energy in corresponding to light of wavelength (Planck’s constant
