Calculate the number of vibrational modes for a molecule of methane.
Methane, CH₄, is a tetrahedral molecule with one carbon atom and four ____ ________ ________ _____ ____.
_____ _______ __________ _______ __________ __________ ________ _______ __________.
____ ______ ____ ________ ________ ________ ___ ________ ___ __________ __________.
_________ ___ ___ _________ ________ ________ ________ _______ _______ ______.
____ ________ ___ ___ ___ ________ _______ _______ ________.
_________ _______ _____ ________ __________ _________ ________ ___ _______ _________ _____.
____ ___ ___ _____ __________.
______.
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What is Mossbauer effect?
Aluminium has the highest nuclear charge, so its 2p peak should have the largest binding energy, but shielding effects reverse this trend.
Justify your answer.
The rotational Raman spectrum of a diatomic molecule has the first line of a series of Stokes and anti-Stokes lines at , relative of the
of incident light. What would be its bond length.
A light source of wavelength illuminates a metal surface and electron are ejected with the maximum kinetic energy 2 eV. If the same surface is illuminated by a light source of wavelength
, then calculate the maximum kinetic energy of the ejected electron. (Work function of metal is 1 eV)
Explain why the atomic spectra are line spectra whereas the molecular spectra are band spectra.
has bond length
. Calculate the wavenumbers of the first four lines in its microwave spectrum.
[Given: mass of C=12.000 u and mass of N=14.007 u]
What makes TMS a molecule of choice to act as a reference in the NMR spectrometry?