Explain the origin of atomic spectrum.
The origin of atomic spectra can be understood in terms of the electronic structure of atoms and the transitions of electrons between discrete energy levels. In an atom, electrons occupy specific quantized energy levels or orbitals around the nucleus. These energy levels are determined by the __________ ______ ______ ________ ________ _______ __________.
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Raman rotational spectra of was observed with Hg light with Rayleigh line at
. Stokes lines were observed at
. Draw the rotational energy level diagram with Stokes and anti Stokes lines.
The spectrum shows more aluminium atoms than nitrogen or fluorine, so its peak appears at the lowest binding energy due to dilution.
Raman rotational spectra of was observed with Hg light with Rayleigh line at
. Stokes lines were observed at
. Draw the rotational energy level diagram with Stokes and anti Stokes lines.
What is meant by AX spin system in NMR? Draw a schematic energy level diagram for this system and show the allowed transitions.
Calculate the ESR frequency of an unpaired electron in a magnetic field of 3000 G (0.3 T).
[Given: ;
; and
]
What is meant by a selection rule? Give the selection rule for a rotating diatomic molecule modelled as a rigid rotator.
A photoelectron spectrum of a compound containing nitrogen (N), aluminium (Al), and fluorine (F) shows three strong peaks at the following binding energies:
Peak X: ~686 eV
Peak Y: ~399 eV
Peak Z: ~73 eV
Find the best option from the choices given below that best explains the relative positioning of these peaks in terms of binding energy.